{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x40997b09b6379d16973228f7547b01c90c6113cf7a906d12a10b4df72553901f",
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}