Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwAvh0zSHOVFE0vQQYVuuzb3Dv3HQeRb+fwxdKRRVFu3gH2ctA6sMRhFydrf… (844 chars)"
  }
}