Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwG/3jFsRSfcjCGvS7BkTQ+9HL5lx2XkmWFqp1KIbtP+tRdOEKYGY5qLosAw… (844 chars)"
  }
}