Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCB3bO2cCwnDTBTJ1XMj1pqoCQcybGI6COvqer0sNwHpx1vS7c9wNzd4xm5… (844 chars)"
  }
}