Extrinsic 48581-1

{
  "heartbeat": {
    "blockNumber": 48580,
    "sessionIndex": 809,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0xc63805d25f4b151007e451678cdc67469f76a02faf8f90390848345bd42ac878b4e38c0a246060ca337489772adc1a545fea5436a4cf346c5c3160221151078b"
}