{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x590f87efcd8c2f8154256a65e88e31ae233609d3a8aae66b8e9099a9e5b86ad0",
    "signature": "0x34753151e7fad1782ba1f39e2cc1a352147b3f80f765f479b148feab9d487e823b84422e9eb3e7ea8f9cb365aacf9fbea5d37501ea00ae35c60d9302af339a0c1b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}