{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x42a8ca2be79cce27a63746f401b5674bd509c16a9c7a4449e60bdbf0fa0dbb43",
    "signature": "0x48bd501fc01907057121bd659aa6715e49c4955a83a82b10e16cff7e9f4c9804301c84c741079737c214894ddcd9e924ee4c7ba0a383fbb4db36865b6e01168a1b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}