Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHxzP13RhN+u8lrOjvdR27/wfOKZ7Zh4IvnNDRMSIBC0CRrPssHVBt4IYX4… (844 chars)"
  }
}