{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0xb779719a856052761bfc1f829e2f713b683b85318e22b58f4ac99e3e6d984dbc",
    "signature": "0x9c212dc5b5bb787f6a45a811f7fa3f6737fcf4bc19960e5b4f804d61915444ec39c5f6ea7a17a2c79e733b5e13f043f8391e4292ea4f8a00b1d6cd0f97c2fd7c1b",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}