{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1037367",
    "entityType": "User",
    "nonce": "0x171a17370011dca690b159cce796dab4541b43caa20124b37d475bf937c7b7af",
    "signature": "0xf96065d79e625aaca5331c999bac89a0471e83120974105d0c1b7214b240265a4a498af345d9eae6be1a52ed4a7cebe993f061dc9c80d1b3fc234efba9c689d81b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}