{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x2c91c910f778b98d2e35caf1d2b777f55ce1c691c0801b48584374ee818015ac",
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}