{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "152647",
    "entityType": "User",
    "nonce": "0xe122e9ca0cb4f4a4c7a61946ec6d3375b99e7fc138a8ffbee092353eed877746",
    "signature": "0xebf08bbfdfa7e30e6d98e6f1a7bc11d00ed9c87d91a922590e8e7e087e7e40db63f97834eed6441940063714ccdd6792b7ed2d43bb3cfd6791ca7dde94060b6d1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}