Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCzBq2CMut0RPNDFZcZf/1+yVYD/eSVIfv4qDXJLWrVKVwAFtJNLUFkl631… (1,748 chars)"
  }
}