{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "887547386",
    "entityType": "User",
    "nonce": "0xb98c6593bd41c0196b28707447619afaee71c556219b508d5da0aa9b0d77d286",
    "signature": "0x3ae8b6743582a0c63f7b3ba1d74f761ef7fa0377e5223097905ddbe7c454b3791fd7bfbe889aa0fa03453cc8bd0172c6305b09c8e53d64650cede3b7d5f9e1dc1c",
    "signer": "0xd85E4A094e4C057572A9D525C9737051A17ab609",
    "userId": "696716320"
  }
}