{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "270209897",
    "entityType": "User",
    "nonce": "0xf36808d807657fef0f134954ff5986f0ca56e80bc00485f39a3a1698f648cd3b",
    "signature": "0xf24f1dd63f4fc913ceb7ca306d9185b2fc2b1d0cc2fc7c116fd151555d1f379639db7ed5aa5a0aa6c79bf897852cec1c7fd0bc9f175a58135deefb964868c0a81b",
    "signer": "0x3EFFF4df817177c0A8370597a286FB16Cd1DDd9E",
    "userId": "688850395"
  }
}