{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "683609933",
    "entityType": "User",
    "nonce": "0x7d4fc1b9335cfbc7b9641b53d53bd66563bbebcd2f1f35a15b7e590c799d60d6",
    "signature": "0x3a3a8dd794686b163193cf3c66fb3a79e5f2f459e4fd55eeabf42a92daac3fe33e4ffe9dd5627ee3a89dc55eca9148c864be2778e0a290115933d5ab2766ae131c",
    "signer": "0x6a79014dac58f1D33D45347A909f9628C2132216",
    "userId": "718119401"
  }
}