{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "295392",
    "entityType": "User",
    "nonce": "0x043450efadc8de0a1603b6f09c66ee502f643a4b551196f0db82fd42e190c9a0",
    "signature": "0x71ca37e2d153670dd7b8d46b475d7ea9d88bb407f7822d65faa49d3bccdcfcbf0432430004061c47ea6146fdf54ca720e4c55132aa5b7ad7116a8b257e82b9701c",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}