Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBjK34XtOBFoHk+U6KzPNIz+mE27yUaKZ3CD1Fy9YNa7Td2Nm6GO6K5btV3… (844 chars)"
  }
}