{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "11001",
    "entityType": "User",
    "nonce": "0x9fa2ecfae94b2f58ab2f852f5ca699d450e066f93632c8aa3fa8b5589e9a3c01",
    "signature": "0x4c8cae306d6132ac5751f386578c67ea91e7461859d36bb8e4427a6d154ac697778bfab56e10383edd8379e0f6827a425453e7ee5462a5858056aa26860556711b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}