Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCW46Gj6zKzw+fPOIXZTpuww4xDN/aVxsdmEQ3yrBPl+jIGgweJ48xLYj7+… (844 chars)"
  }
}