Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCJXHxxhIVfIp+4CwxLoT8wGZtZMBXTy8j4o/8rcx55Kh8k05JeGRRGCyAL… (844 chars)"
  }
}