Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEa1fLI7wmvRkEZ+Kj3x5RnHOi22NPSEUxKPPwR+DImWSd4RvsR4Aq3Qma7… (844 chars)"
  }
}