Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHt/I2XU6uV+FxGFOxoI6wPyuvFdAH57f1BeqrqpD1LRXkgOO5U7FNGp5mo… (844 chars)"
  }
}