Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwDhN3a3YsTm36F2PjMCGPJ/okC4inVOqGL4JNpxmMZyOFvpQVW5JoW0fV1T… (844 chars)"
  }
}