{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x5a63fb02174b3c61bd2d5fc928671521570773af0aa8f37961d7f96f8cd064e7",
    "signature": "0xa750362ba77f52bcc38c3bf5d57e7b11732d0bf131d3c31608965bebac1ad7651f81c902e06f3afbfd708383aca18c5333c9d146fbf0c195d096cb1e204d79c41c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}