Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHczjL4WUNbujiWkHLfyKBFT3LBfR/2YXj/iXc58W1vAx9vBz4h6YF8ngTt… (844 chars)"
  }
}