{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x2ddb22fa7afe779e9f6176fe23d3aef8a18f951275ee3c74d72a8a4b159c9c54",
    "signature": "0x25f5a64235eb654fcb8a72c72ce564946a1153d25969dd53881753fc35f8f1865d99f853252164f4da8711b7d7116669ae164ffebc2cc1abcddb4e458794d7341b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}