Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCPCOZdb2bvBUod4iOr8Od/C9j2/8OqjugsPXXd+/ux3Ax8WVZqjshmHuCc… (1,748 chars)"
  }
}