{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x337cd8d2971e5ec631a81ae0ddd7e3da5aa67ba84cd22c63a3ae7e8e3016d4f8",
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}