{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "52403052",
    "entityType": "User",
    "nonce": "0x77e6635120f4aedab5807e3966e015d724dfc0e181e25495bd6b8973a6a6287b",
    "signature": "0xcf56222faadc44db16c6aced45d34e07cf16807f25f1fec180b241c03cecf40a1a71eb9b80b3641cd5a70f83696eaf836058d1fd202973c0955dd3b6e8b67f631c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}