Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDq3IO7iWKWN8yJ30E8Ld8aGF4hgK0YbS3Uz83b5cr8zEsatuKBhkL4gpe9… (844 chars)"
  }
}