Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQC/rd1JBP9FH1yN8qbnaDrDqhPfxVaf4Bf5fz+pGcoVfVnjMTj6OGrY0dS9… (1,748 chars)"
  }
}