{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9192f8918eaf8a4a9c1f62d9444fb359c6d95da8ffff6ea076825f4cfd238867",
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}