Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEXfE3wU6xy/1h720Hhlzzh4ygoWdbaZQcL+Rk/YQ9lXGXVkzrEt0qlF2q+… (844 chars)"
  }
}