Extrinsic 40591-1

{
  "heartbeat": {
    "blockNumber": 40590,
    "sessionIndex": 676,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0xec5e366e87ec554cc10e4e9bd86d44de0b400e1f92ddde6dee0df6b437307a2b97b52278a1779454f542b8be7238e48ee434b17f7dcef6ce3d1b9e502a995681"
}