{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x78068e301d2a23e417e6b3bd39eaec39945015f7b1502a05d02cb2444f929dea",
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}