Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDtLDRFZAEdbJKH/CIZRui0LbJkCRCYij4/orS+EgFBegpu9dwLL6RCb7Cv… (1,748 chars)"
  }
}