{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4844c78a989c3d2926ff2ce920a95be8b04ed94409c260bda9d4f78ca06a3c7d",
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}