Extrinsic 43657-1

{
  "heartbeat": {
    "blockNumber": 43656,
    "sessionIndex": 727,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0xe0b2d18df692b4b23dae048707e4f7a82463a38e0a850b7f1d2fdc557c7c761a21a4a0610ee6f3cb2b84849d509f4092e55f3eb11a6f474ba17b2c05dc88628f"
}