Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEQH2pIa6pzETnXGCRhojW70ExvTOjsW/EvkYvL8UjpTjWY1lEsWICBDO1Z… (844 chars)"
  }
}