{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "444898",
    "entityType": "User",
    "nonce": "0xff12b2ed2e98020057576a03c24df9a3caeec2f97126ba802880483a3b5e93da",
    "signature": "0x846e58eee6d8584d9c4ed0da08410d3df705b0594460886ac224fd5171341094770c72effd3c80a6fc32560011f13c82db7d587aee9b760f5ebf7fc59c938d6a1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}