{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0xc8befc1be9f2c28383b21e48476a6c2c59e4f9ddfe785bbb4d03672c20659e05",
    "signature": "0xced53c40f9025c5c4765d05cd178fe2ee1e8ea34fb26e292a8eda4e282e7c86a5469c7565a906fe57a740ef46d6ebc8d8f695f4400e8f24a4225e02afa26d3be1c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}