Extrinsic 40411-1

{
  "heartbeat": {
    "blockNumber": 40409,
    "sessionIndex": 673,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x56fe7853c33d8aa3348046629de621a6eec99557136d124ce1d2f207073df82b462e8f94a38cfa16a8fe0b8af81518b424b9a29664e72103bf94a13aa3c6be8c"
}