Extrinsic 31068-1

{
  "heartbeat": {
    "blockNumber": 31067,
    "sessionIndex": 517,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x8cf62e20dd0c763fde092b6b056914365d3c04ade273cd76fc6f532758ec3d0004c7c0988d6836eea5b9306e1cc1ad0f7259e237333e028181b18667a3d51681"
}