{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "754884",
    "entityType": "User",
    "nonce": "0x652fcc012ead687a611233377df5e116f7a63ad36f551a95a3e0a7ef49e82276",
    "signature": "0xa46643acb9ae5e3c4947c2eea85a939d87a9c3365334a9630f17846a2e06d9947e829da394547acf5b11722683aa07b9533deab497831b7cdf0df9963dc6b75d1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}