{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "274413015",
    "entityType": "User",
    "nonce": "0x904983976b8b934cf8c77794ef5d4b54edc889f70984f437118d292585c7097e",
    "signature": "0x13d64c890deaf61a23427bca6c09bb89f0942cb1387b41d332906c68f88f5b15560ca175c3c50ec2ecc10061faa43e16a45438017a8812b5e7de4887d7ecb1651b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}