{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54059",
    "entityType": "User",
    "nonce": "0xd222f2fcdd55d1f083753ac76c79abf5cf9cac62b09bc77042d14a4fdd901bda",
    "signature": "0xd56b8d418560fdb006a3b786532da1f53ae019232b897f06acc681443aae50420c94a912536bf51cd0cc5fb4da8166f0478d3e9ea986610b2c3e79589efb7e061c",
    "signer": "0x334c1E156039f843FC1FC4B64FBc58136cE8414a",
    "userId": "973129552"
  }
}