Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDN9RQM0XhYxJCf4f6X2U6aOeLH+Qi9vgRcwrD1LgCFE358Il6wTk+rNwI+… (844 chars)"
  }
}