{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x503b8a544d1187f3b06ed5e01d0767ac6121165b238b20c77d351a04653c16a7",
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}