{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61755",
    "entityType": "User",
    "nonce": "0xc506fbeea5e341d165d6e9ae28fab0175eb650673c688b429b5b351f725cb2d2",
    "signature": "0xffaf8634db7edbbdb6e51931f7a4cc5c2e33b477cef70ca7afe3be952b251a5d03bbde1ca09fb1dd2fa511de8b2e07324bd3e45ad5aff1dbe696d26a854a00291c",
    "signer": "0xD7Db519a2A03374B0548c02822bE88402aef1E5b",
    "userId": "715241773"
  }
}