{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x4272bbce687356711530ceb401e36e942a66c0f12ad253dda6dfb1e5e47964e3",
    "signature": "0x70f32fa3e82a57834d4d16c036473200ef7da5ed902cec5fabb04e500c7d168f3fe06bbad0a8675157d8169a3d15ea0cdc536def14a638f2cd8a2dfa7ab12aed1b",
    "signer": "0x92d3eeF18F09b6dEA8B68410222af4813dA7727F",
    "userId": "719754"
  }
}