Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAdwQOTBX1LtoXfVdVOd7PcIsAe4Ybgej8b+XFq9Cu4RUKEQC9+gJvAR9h+… (1,748 chars)"
  }
}