Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGrpS8YvAZh/q0yCwc/f4NxeiHMXN7AVaXfFYZ5YFfvwS7BIRVZQPIbW71M… (844 chars)"
  }
}