{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "870640566",
    "entityType": "Notification",
    "nonce": "0x697553f0eefadc39f9af3823e51130497d538585fd4898607144e3773a15c347",
    "signature": "0xe40176e3dbe96a6210f4e53476a37023e10b27c34a3580f26ca37df17a277bb738115f1333712ab251fd1ed6e1f22639eba24e55c3df838589a80ca7cc0363fb1b",
    "signer": "0xC0E31aa3da2f4D108C94a5CfaD902F8418e330E9",
    "userId": "479914536"
  }
}