{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xa64af647927cab186a4f97db56f91794df46351fc254610cee4f273122bccb12",
    "signature": "0x110b74159f0b6a662850c7d9ae75ceb0b49ca51413bee74786c7d844562059ad514ac4c629175d382724c10073870526e8f704882d66ffc810e979f117f55d621b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}