{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "29962",
    "entityType": "User",
    "nonce": "0xdb365ee59777f46ebe773b39700873bfacaef9d9e2a75cfa38eaa44916cfd83a",
    "signature": "0x40c5819d75f9b876aed64ddc45ec7610768abc1edb2bf563531b12322c04ad0458500071a6b5dd39337aacd13478d8c9a4b42f5d9d649b7af4fe9f77fbdd77f01c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}