Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBVS1LZtf9/bWfUH9+3xaVZqD3uuENyLIcCu6t4JBFcLiuafMC6f+C8khaA… (844 chars)"
  }
}