Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCH6CH+fcq2Ly6AUu5W9w/k3X68p7Vs62g4vRdUhZWO8kDfhyEd5o1qjDPd… (844 chars)"
  }
}