{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0x02898b5106da3242dfa094d40f8dddde042cc222ddcea84dffaf0070f6e6ba5d",
    "signature": "0x5d5677058fb5694cadf13a9ad9c71510730d53c981a9e333d07a34380a4242217c0f55d0066771f9434965789ad95e619c9c1f79896c832d3db099f16ab0ac081c",
    "signer": "0x796D60E9fE921C82Ef20f6329e27dD246392f542",
    "userId": "809803"
  }
}