{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xec68e9af37ded2199374436609777a397f7768e0c375f2cb853d431dbdc93856",
    "signature": "0xa80ea3bd8a8e83649185c1822069bf8ef075c0a9fafc0bc3b6119ef156949ef5191dd144cf4c9c623d188f6a5ae8da1e72ad5b1960ef19ffe8cd891dfeb69a041b",
    "signer": "0xF35294ed5C4D184d3Da0E48E1872b38632D01Cd9",
    "userId": "248901630"
  }
}