Extrinsic 40603-1

{
  "heartbeat": {
    "blockNumber": 40602,
    "sessionIndex": 676,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x5ccb62f51b0932dbb48b0f292d208ccee1de1046b9b5d1e4dc3fd78875d1ec5dcb70d9c9fd30e8af4608e4e81d5a69a8c66c16365c1cb44e8a0291b503027783"
}