{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x65e8eafc3fa8e03d6021f043f72908c4730efecaca7b5b8f7ecb983e70ac6021",
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}