{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x50d614c924d59a33653a415f6b51a661d4de58557f1438ea4d933e6ce7b00acc",
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}