Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwH4BH4g0yjFpVFjXah8qv/kQmYot/jnM+4SV12uDT+g2mh6IcRRviSrVqmf… (844 chars)"
  }
}