{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "760005",
    "entityType": "User",
    "nonce": "0xec80925e4981f951cc9eba4e4ebdf3d15a130ce960385508c7503bab3daed9ae",
    "signature": "0xbad696c2c6ab87b49d08fa773f69726096f87e655e7cbcf67f7dbbaa8c3a83ac68f253e26f389b39f88a1040734b4e5cd138b3b2e8e6b350003f24ff1aee47bd1b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}