{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x5e15b360d2c53a553e5c2121c8560ade771d28db6136a57d600d25bec470222e",
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}