Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwE0dZ9/ji6oC9HQy3dK3t6Z/4IUzWKXz/XU2VU6fcYiwg9fBY5JwCpQp2Pw… (844 chars)"
  }
}