Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHUq5jt8SFPLrThnHApYfmRESAcdDtF8mMwMrUV8jWfhm+OUVa6Q9g+h7fe… (844 chars)"
  }
}