Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHdOucjb3PYPM+P6I16qh2TLHDDwlFNXJ0BBlYNL7oqDhJNGx2mHX0gC1NN… (844 chars)"
  }
}