{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x6b29b668011bba3b8faab298f0563b999ed97b6e92735e95f0d1da9060aa9459",
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}