{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "461201677",
    "entityType": "User",
    "nonce": "0x947ae036a8bad969e51540d204d2654a604951d070d073a530e0cefaab8b6e82",
    "signature": "0xff5273f31f1b467bf095a29619557310e67363a9ccd0305330ddd56ece6968bc5612e893d2a847443518c57e852a6a9f0758e036fab843573f6496a664ab5cb81b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}