{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "832487273",
    "entityType": "User",
    "nonce": "0xcf7b5db2a472b8f83c2cd4b92a5a4cbb91a80bded1068d37b560e7f97e57e891",
    "signature": "0x9bc3390fbbaa9dca1bb73945a2ab87c855459a64d53706691b8397e5c8f3cb9013acb927ffee16de2e5e491f59cf155474895ca1149ad41c76cbe2fe6b2416421b",
    "signer": "0x33c702d534707f8Cada5DdD521C5900827973f1D",
    "userId": "5642"
  }
}