Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFeBCg3lx+o4uNcBWHj7nUjmK+6VcP/HjZRxQpWE40It3XFtOCXrwVGm/CY… (844 chars)"
  }
}