{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "115357",
    "entityType": "User",
    "nonce": "0xb117bea7d10c4e45ade66507ae68941f72e72bca98de1ed5ab0d0f1f7926b7d8",
    "signature": "0x7101413d2f9cccbe7701adb4c45d156d6fbc5b59d724b8b212c0a244ed2de5df1c1001b2f6830472b78d5ecacda3ba9f61581c618b0b678678bc64858bd5a8e41b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}