{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x5c97b05fccbbfb9924484242027452d873f5acf0a3b11121b00c46a3c26682f4",
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}