Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCnF0uOlPvzWcqV2RpWZ8yci0M/w5EvVy7LGw1P4egsNx8WQvtA4NMl3xWI… (844 chars)"
  }
}