{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xcbba3c9ca51e0c676e5b081d7150174456c3de59e653233c9a8523ad3305f60f",
    "signature": "0xe2306c56a994156939eb0d8a74e8484b4b14fe362c0ae7a970e599a657cfc03a03d605ddfe2e5474ce7a715dea97362c473e45a0750d62806f328e4721cf097d1c",
    "signer": "0xbb3b8C270080b0DAE42411345FCDc6a00369e247",
    "userId": "690093689"
  }
}