Extrinsic 158679-1

{
  "heartbeat": {
    "blockNumber": 158678,
    "sessionIndex": 2644,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xccc9631071b09d594ffae7375188206b092dc17562522200355b5bb47266095716295cf0f28f3019b7a613ec454073d0aed395da7b0f02764bf290ff778b4189"
}