Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwE9rLxDfQ20syaTuoONX2mL+S2q70Uc2o8Jl4XUYPrGs2218XO6i6M8bCnz… (844 chars)"
  }
}