Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwB8mFf7pUdbUayYSUHcWTAgypA2mNWnX4e/Pf/XtYg4aWZ7wQpye9yEFMU/… (844 chars)"
  }
}