json cannot contain -nan

[przell]

I received a json containing -nan. It doesn't seem to be supported by json.

According pg:

{
  "id": "test",
  "process_graph": {
    "load_collection_TJFKM9997B": {
      "process_id": "load_collection",
      "arguments": {
        "id": "SAO_S2_ST_BRDF_10m_L2A",
        "spatial_extent": {
          "west": 11.5383,
          "east": 11.5383,
          "south": 46.4867,
          "north": 46.4867
        },
        "temporal_extent": [
          "2016-01-01T00:00:00Z",
          "2020-01-01T00:00:00Z"
        ],
        "bands": [
          "B04",
          "B08"
        ]
      }
    },
    "reduce_dimension_BXTOH3275E": {
      "process_id": "reduce_dimension",
      "arguments": {
        "data": {
          "from_node": "load_collection_TJFKM9997B"
        },
        "reducer": {
          "process_graph": {
            "array_element_EETGR5045G": {
              "process_id": "array_element",
              "arguments": {
                "data": {
                  "from_parameter": "data"
                },
                "index": 1,
                "return_nodata": false
              }
            },
            "array_element_BTGMF3287L": {
              "process_id": "array_element",
              "arguments": {
                "data": {
                  "from_parameter": "data"
                },
                "index": 0,
                "return_nodata": false
              }
            },
            "subtract_SSDYC8213C": {
              "process_id": "subtract",
              "arguments": {
                "x": {
                  "from_node": "array_element_EETGR5045G"
                },
                "y": {
                  "from_node": "array_element_BTGMF3287L"
                }
              }
            },
            "add_SWVYQ2330D": {
              "process_id": "add",
              "arguments": {
                "x": {
                  "from_node": "array_element_EETGR5045G"
                },
                "y": {
                  "from_node": "array_element_BTGMF3287L"
                }
              }
            },
            "divide_MKMAT8525D": {
              "process_id": "divide",
              "arguments": {
                "x": {
                  "from_node": "subtract_SSDYC8213C"
                },
                "y": {
                  "from_node": "add_SWVYQ2330D"
                }
              },
              "result": true
            }
          }
        },
        "dimension": "bands",
        "context": null
      }
    },
    "save_result_ZPHWX9536E": {
      "process_id": "save_result",
      "arguments": {
        "data": {
          "from_node": "reduce_dimension_BXTOH3275E"
        },
        "format": "json",
        "options": {}
      },
      "result": true
    }
  },
  "parameters": [],
  "returns": {
    "schema": {
      "type": "boolean",
      "subtype": [],
      "pattern": [],
      "parameters": [],
      "items": {
        "type": {}
      },
      "minItems": [],
      "maxItems": []
    }
  }
} 

[przell]

The -nan needs quotes around it -> "-nan"