{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x3e3c2c090da43188964a521fa3a360aac69834eead334fd05df39006ddd07e81",
    "signature": "0xb4e4bf9148114200cb5484c2d90495884c7a8fe8907a10e5e3edefe82b1f3cc974ebd2455820fce92cf925f1fe0b42643b4fc67b58ec56dfc1d73eef2137c5ac1b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}