{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "935264873",
    "entityType": "User",
    "nonce": "0xe7b10f8ed6a7eff6df70b6640d09cf279097a6ac43ba15308e6833e51493a446",
    "signature": "0xa6feceb3db9aca96d58c38ec196a26755187e41fe123cfe41bfac8904020213f317c5868635d5df45fc4e94d2edb8d70b60efa8fda751019f08dcc7b856430961c",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}