Extrinsic 24980-1

{
  "heartbeat": {
    "blockNumber": 24978,
    "sessionIndex": 416,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0xe83b2536903515677c637a617e2e3e7c1fe7ec5c0295ca7899f4a45b6d97d069d06aeb20f28800e41e75032c3cd0b5f190461d715e490cb473dc5005ed442f87"
}