Extrinsic 40809-1

{
  "heartbeat": {
    "blockNumber": 40808,
    "sessionIndex": 680,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x70291971fb485462fe4523d92321c90dbe2ee7d9ac5b1cc712b1467968cfe8163ce7f0f6f27930c7ad68c29991b95d69c9022e467ab65ff81fb59037245fbe80"
}