{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "366059",
    "entityType": "User",
    "nonce": "0x808864507c975ade2d6fe51ce654d03ca5e2e1f47a777711a9b946fa15da466b",
    "signature": "0xdbf9a2665e98a3a1270103b3c1a93c02de929fc0af7603ba00c8afb8e1730f19044cb2d66ee9f5575f2775890fe0f7fdf2e8909ffd7d66cb72f0ccf17b45e3721c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}