Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEDcXPd007vmC2nh/Mspm9Xc7KuxuJKwaC0F1IPQTxO4C0y9l3Uc7wO7dFG… (844 chars)"
  }
}