Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHKgLKL6tkRiSGm1KXKgCMPW2pvMqgDN8H2CWa4vpJW+npfTLMyy6EQ1Xdk… (844 chars)"
  }
}