{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x46fd4da6d91ed0026339960793d411f81819c5353947af186ea1d2e5f3d417db",
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}