Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGnNwvMrmMCJtcqpZPQXhzCDU3FR6AV8n4ZdQWK948fvzXvQ0E5TtXI2cvl… (844 chars)"
  }
}