{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "371765",
    "entityType": "User",
    "nonce": "0xcd052abb7dfd21a4c339a824a6653d273f133076593ebd531a17494021200141",
    "signature": "0x0c52ad4d0133d882ab0f9da4260d47af19cfef9966a4690139397507bed921051c404474c7634c2139d86acb84cff08c6e3c34a393762da00fc9098822333be41c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}