{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "69553",
    "entityType": "User",
    "nonce": "0x1cfb0e981f14d77880b9b6179360e9f524bb80482f96620b7ffbb51aeacab03f",
    "signature": "0xd9384d0f7b472f57a8ebd15a05ca37aca41a04eef6b209fbe3f29f710d9cbf3a298b6324093abf819849a0609613e725cc385a5382ec0bf4e8d17435225981431b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}