{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "66796",
    "entityType": "User",
    "nonce": "0x54c92e6905fb235233f1b4c6bc214d807bfb5902bafc59829221142924b7496f",
    "signature": "0xd23cb8459facef62d0d26953bf68dfffa10cf61ec82a76b2f80431bff4d570553a6bfb88c0f1335ada4509e83afc027daa64320a76f2c23d0bc55b8078d9dbef1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}