{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x7c006db3c980a74b562eaa20cd531fcf71cd0ad95a06337299a31f9b59b8c5ae",
    "signature": "0xcdd68d26e1461dc04c33f6daa050aeeef3de6e553c83853771f644f44239fc0f2a0bc558ad0ae087fc79bf2dd23a09377dec6d0e8011c5d95357193ac1e010011c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}