Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBJUuwGWBrJqQF5TWO9ZwqpuRvHNnVE99+lm3sNZvD44gR6HI5n52Sg9k+2… (844 chars)"
  }
}