{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x7e5ff76debdf82b91b21bb401f4c002a8e4ab882429fd882036c091bef2635ac",
    "signature": "0x384a1be30a3a7ecb13ab4874de1677c8f1efe6e2651f550b55be9b49fbccdcca6df4494fe98c05465e836bd32c5604bee0a9387001e7b0bf7c02f433cb8d80531c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}