{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x79e682eac2eeee5c4f0e10271c88272a69bc423520f49b51124f10a3daa7458c",
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}