Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGq6j6jVqZsYlMtCrD2+4AvaGOcPJzwtrKe9q7fssYQMlbqS8FPSue/yNWu… (844 chars)"
  }
}