Added json body parser

app.js

@@ -6,6 +6,9 @@ var StatsData = {};
 const { Flipside } = require("@flipsidecrypto/sdk");
 require("dotenv").config();
 
+app.use(express.json({ limit: "50mb" }));
+app.use(express.urlencoded({ extended: false }));
+
 require("./services/partner.js");
 const kaiachainService = require("./services/kaiachainService.js");
 const faucetService = require('./services/faucetService.js');