Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHDfM0B7BTe5yNx5Z4BNiRKj+H/1vexSBRKPOYlVOwhwhpO1fsMfKXsW9r1… (844 chars)"
  }
}