{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0x12374482efd9f51ac9f78fc319532b1c1d6550876f7e12c49d0185b921aa0f55",
    "signature": "0xed8d4a56ed1dccbab776e8306c48fcd855fd57ac5d1456965ebb49a42830228436c87f193445b591404563d36705014e39b231ef16a0bb2f413147e666662f8c1b",
    "signer": "0x2752c6C488Ef240895028c3B2287EeC269C7EC7A",
    "userId": "79019982"
  }
}