{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9d970520a8ac6a186429ddff5724059b8b9ad7c2f741199d5820c6f74d30fc13",
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}