Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDlNTLa9+vTAvY5g9ZYuuVYU/EoKE4L0Q4tIjACQ8bqJ2cCwHSdbM+CNriF… (844 chars)"
  }
}