Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBeEXtNjX/g/VVliu0upj56hX3kx48mMYCPcUJBooEozgmGdUqnDxGgnYAJ… (1,748 chars)"
  }
}