{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4d520afc27d1cf1a715224ce28389253e2d9b46b864401941d5e036a9303ddf0",
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}