{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "951995708",
    "entityType": "User",
    "nonce": "0x470aed7971e62f1ae25d96608c33ecdf8c6dd6ac28641f3a9fba3984346c3b4a",
    "signature": "0x719e33eae7c57f733d9c947979681579957124f34884d94ae13e19281b272fae330db09a70a32180fa03b680280d38b2dc7e8f538dbdd7f2ed799e8860cf5f5b1b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}