{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "112278",
    "entityType": "User",
    "nonce": "0x3f7d153eda4b9f515262bcd4093df6584510ef91afe2ba32bf1e76747817a85b",
    "signature": "0x636a8b9948728be1e4f4dc18868752fe4dca5cbf6ffdb5ff83b5c0f432f5ade501457f80f27b2d32dfd2b7bc21ebbef39a90437980bd3ef012127b08229bd8541c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}