{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "989073793",
    "entityType": "User",
    "nonce": "0xa95f8cbe2ec7ed28455edf6a3b00bbda745482b8812c081d6d094a24cccd6c41",
    "signature": "0x97c2daac44523beae33345c0006baf94026f1d1a4f126085c37b58947618aed14cbe13284293a66770dd1c8e80fc79a1df20b65b9124fcb780d4ab4828fb091c1c",
    "signer": "0x344Cc6Cd6326A3Fc46e2f789e02111af483Df673",
    "userId": "980331"
  }
}