{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "182412",
    "entityType": "User",
    "nonce": "0x6a30d45be9645f905e8f5e8973bc8c44d89b4527a58b0c9f6b68ba2794c10626",
    "signature": "0xcb3eb33a913e6da7b06b36ccd922b62ac617237f47cc81bfb14802db6112948e46eae7a656cf7373bf52b421a4ce72b1b9d407c5e6bdf5b0f04fcdbeeb9c072f1b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}