{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "735980234",
    "entityType": "User",
    "nonce": "0xe3abb1fb315459e3cf12aade21d437035ed5ac358faea555063de1abb230992b",
    "signature": "0xe18dade4988b063379ce7d3f77c87574061f0af0b7ca41ba33a1c8cbf3ae328f7ab9a8c86ec8bdcb1d980d9619cc0d4a364b8ae7f5cfc695c68710f9434b11d91b",
    "signer": "0xEB69eF724F496f166f22363278C57fD1C454d2cA",
    "userId": "352613"
  }
}