Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBpod9irjf/04Y52sHaE5gOAu6nUPcMTn3T2fqzqaA1x3gX2q3G6plf+xZR… (844 chars)"
  }
}