diff --git a/internal/fabric/utils/blockdecoder.go b/internal/fabric/utils/blockdecoder.go
index e70392c..a37d887 100644
--- a/internal/fabric/utils/blockdecoder.go
+++ b/internal/fabric/utils/blockdecoder.go
@@ -26,6 +26,7 @@ import (
 	"github.com/hyperledger/fabric-protos-go/common"
 	"github.com/hyperledger/fabric-protos-go/msp"
 	"github.com/hyperledger/fabric-protos-go/peer"
+	"github.com/hyperledger/fabric-protos-go/peer/lifecycle"
 	"github.com/hyperledger/firefly-fabconnect/internal/events/api"
 	"github.com/pkg/errors"
 )
@@ -333,9 +334,29 @@ func (block *RawBlock) decodeActionPayloadChaincodeProposalPayload(chaincodeProp
 		chaincodeInput := &ChaincodeSpecInput{}
 		chaincodeSpec.Input = chaincodeInput
 
-		chaincodeInputArgs := make([]string, len(ccSpec.ChaincodeSpec.Input.Args))
-		for j, arg := range ccSpec.ChaincodeSpec.Input.Args {
-			chaincodeInputArgs[j] = string(arg)
+		chaincodeInputArgs := make([]interface{}, len(ccSpec.ChaincodeSpec.Input.Args))
+		if chaincodeSpec.ChaincodeId.Name == "_lifecycle" {
+			funcName := string(ccSpec.ChaincodeSpec.Input.Args[0])
+			chaincodeInputArgs[0] = funcName
+			argsBytes := ccSpec.ChaincodeSpec.Input.Args[1]
+
+			if funcName == "ApproveChaincodeDefinitionForMyOrg" {
+				approveArgs := &lifecycle.ApproveChaincodeDefinitionForMyOrgArgs{}
+				if err := proto.Unmarshal(argsBytes, approveArgs); err != nil {
+					return errors.Wrap(err, "error decoding args for ApproveChaincodeDefinitionForMyOrg")
+				}
+				chaincodeInputArgs[1] = approveArgs
+			} else if funcName == "CommitChaincodeDefinition" {
+				commitArgs := &lifecycle.CommitChaincodeDefinitionArgs{}
+				if err := proto.Unmarshal(argsBytes, commitArgs); err != nil {
+					return errors.Wrap(err, "error decoding args for CommitChaincodeDefinition")
+				}
+				chaincodeInputArgs[1] = commitArgs
+			}
+		} else {
+			for j, arg := range ccSpec.ChaincodeSpec.Input.Args {
+				chaincodeInputArgs[j] = string(arg)
+			}
 		}
 		chaincodeInput.Args = chaincodeInputArgs
 		chaincodeInput.IsInit = ccSpec.ChaincodeSpec.Input.IsInit
diff --git a/internal/fabric/utils/blockdecoder_test.go b/internal/fabric/utils/blockdecoder_test.go
index cea3dcb..e7eb4c1 100644
--- a/internal/fabric/utils/blockdecoder_test.go
+++ b/internal/fabric/utils/blockdecoder_test.go
@@ -22,6 +22,7 @@ import (
 
 	"github.com/golang/protobuf/proto" //nolint
 	"github.com/hyperledger/fabric-protos-go/common"
+	"github.com/hyperledger/fabric-protos-go/peer/lifecycle"
 	"github.com/stretchr/testify/assert"
 )
 
@@ -83,6 +84,9 @@ func TestDecodeEndorserBlockLifecycleTxs(t *testing.T) {
 	assert.Equal("_lifecycle", cpp.Input.ChaincodeSpec.ChaincodeId.Name)
 	assert.Equal("UNDEFINED", cpp.Input.ChaincodeSpec.Type)
 	assert.Equal("ApproveChaincodeDefinitionForMyOrg", cpp.Input.ChaincodeSpec.Input.Args[0])
+	assert.Equal(int64(1), cpp.Input.ChaincodeSpec.Input.Args[1].(*lifecycle.ApproveChaincodeDefinitionForMyOrgArgs).Sequence)
+	assert.Equal("asset_transfer", cpp.Input.ChaincodeSpec.Input.Args[1].(*lifecycle.ApproveChaincodeDefinitionForMyOrgArgs).Name)
+	assert.Equal("1.1.0.u0ypz4p14q", cpp.Input.ChaincodeSpec.Input.Args[1].(*lifecycle.ApproveChaincodeDefinitionForMyOrgArgs).Version)
 }
 
 func TestDecodeConfigBlock(t *testing.T) {
diff --git a/internal/fabric/utils/rawblock.go b/internal/fabric/utils/rawblock.go
index 7b11696..373141d 100644
--- a/internal/fabric/utils/rawblock.go
+++ b/internal/fabric/utils/rawblock.go
@@ -123,6 +123,6 @@ type ChaincodeSpec struct {
 }
 
 type ChaincodeSpecInput struct {
-	Args   []string `json:"args"`
-	IsInit bool     `json:"is_init"`
+	Args   []interface{} `json:"args"`
+	IsInit bool          `json:"is_init"`
 }