{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "39828",
    "entityType": "User",
    "nonce": "0x0ba1b9ffe619931043298a8d92ed0a1220a06bb3cc89432de0a08f039934cfae",
    "signature": "0xba1288cfa7b864cb3f6208e531497733a8c5b7ecf1ba8cb516d5948a9fbcaedd1d3ae0f9cf78f627729d360a509d52402ab63aa4efd93d8eb51b2aec8d53ff671b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}