Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEqbOo/mWKLT6dA8yTtyARuRTUjgp7TbzuPFmi2GHqLOS5kqgot/j4N2qLM… (844 chars)"
  }
}