Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwA+fqLEJ9pGgScFKa9e/LtSldoKW6a+eIkxDRLv8FbSgGp0fJlZ7wz+UzuC… (844 chars)"
  }
}