Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDOlbjWr5i8HAW1HRt2Nxez7qqf2e9wV9nA3mRL8+xyzlE8UfW1/5UtIo9d… (844 chars)"
  }
}