Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGm0Vz/PqCjgTdQsyKauAYIRELXvUXf48aGcQ/Fx2z20ynR3AxiKqAn6QAy… (844 chars)"
  }
}