Extrinsic 1413-1

{
  "heartbeat": {
    "blockNumber": 1411,
    "sessionIndex": 23,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0xce165f303a9b81e7db51689988a1e6201e4365a70ce62a404b670f760d42663cbce17aa28e456157e0fa69b64110fa29a2acb546e7581eb129de20c7f3215d83"
}