{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x90d790971458c0756d8de56af96f5b0d893b3d7313aec70f5c193d24a7abf9ec",
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}