{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "22144600",
    "entityType": "User",
    "nonce": "0xcba849e08b4da2458c92145d06ba9749c8b63daff10a7a0c8688ff0ae458caf3",
    "signature": "0xaa72ede1edb64e9305568ea1c56df72532e1d3112ae3d17193473f86e99a9a4b0a6e118c659776e2ab3b499ba7db84656f8a303b595c4843b58cd5fb8258553a1b",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}