{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "195783022",
    "entityType": "User",
    "nonce": "0x791d3591554185b2f694b0862eaf5c2768fe6e2d7b7f053e918f82f0d60a4356",
    "signature": "0x17b404faf8f44e4b211d7b8191b3646de25a81287ff877e2b3e0471065bbcb70708911d0b2b26bdd89a68ec0df4973810d35e54f76356167169ac67e9a5235aa1b",
    "signer": "0x6E11F52c7f1E64Fb6245B70FC4D99A94e7a4Cd8a",
    "userId": "505017427"
  }
}