Extrinsic 71672-1

{
  "heartbeat": {
    "blockNumber": 71671,
    "sessionIndex": 1194,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x5602a65c56d571de9966c2c028fa7ee41f689b5da88d00eb3c31212c443bc9624029e4b357b9f046e1040924617a686910ce131ea9d346dcd184265873984e89"
}