{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "281227",
    "entityType": "User",
    "nonce": "0x764c0b26ea476ae6aabc6c51cfedb4fec5b53be92b002f840cc4d1102c2ba7fd",
    "signature": "0xa6ad1fa296addc78fdcc2913382687bfce498e3cedf19f63ccd9635088a256be6720fa71aabb802327c8e73afce1dbc4ca41d6014666aa2d7fbd54dc295182fb1b",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}