{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x24e122bba1aa0d9e7a4366785087298f8b1e9bdf13a8a2c496b85753736a4704",
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}