Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBPAt8YFSz3/6p6Iez3YxOSvuIedXiPai3PaJi8GlchvQt4cu2RWWilmGuQ… (1,748 chars)"
  }
}