Extrinsic 13048-1

{
  "heartbeat": {
    "blockNumber": 13046,
    "sessionIndex": 217,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x843388a36196346526886c1c7436f938c008e238ecb6aaf2827bd658b8202440d72edf6ce7febc05ca7020a3d7ea7226cd14beb28a25b7899dc81882059b198f"
}