{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x62200fb919435958092b6c62ef223c2eebcdd008a9ea2bd8f1e7d86c3d184279",
    "signature": "0x5aa4b941c26eee4216b39d0f0a3a9f28677923a06e0b598ec7ee4675b153dcfa126f1ea95001549b909956c39ab898a6e5e13e8cc947fdc551beb3b0692fa9501c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}