{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "20",
    "entityType": "User",
    "nonce": "0x14d526554bf2c177abf719f131cb1ff3de491b5bca63b9969880bcd80e37fd59",
    "signature": "0xfb0df46bffef02e6333390062dc4d5143876e804802ebe7183f36c21e3bd6c4d46ff6661df39ac078d891a09f3ec1c907fd8210e0e48f84d92ca1346f28880451c",
    "signer": "0x995Ca8f2d3956487967aCfd7EA849313C448c3a8",
    "userId": "227564"
  }
}