{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "203159",
    "entityType": "User",
    "nonce": "0xef9002754a36ed66912419d44099ba0e403668f2799805b59e46b9c738a209e6",
    "signature": "0x735e237c9d5733d5ec973cc81f9d4d4e531cd146046802e47a1d82ab5d8850e34d76fe797289d0e3f457bc841334ebfd5ad8dbfb68e737d3f73802395f3f34081b",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}