{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x8c4d73e5ece22852dd04a5bb5c64d15b55776f1d5036b0c85c6c5e75aed7e3a6",
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}