{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x6bb7054a9b4360f9c9846b297dc84f021a18d99c334c0af12a2b0ae224726d79",
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}