Extrinsic 40245-1

{
  "heartbeat": {
    "blockNumber": 40243,
    "sessionIndex": 670,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x92c0a9bac2f6e37f849ba9ce9863fbf34e3f747fb894e625dc1b37351c29ff29eb4dbd41138bd93f82aab58fdf4787ee6fa0e42eb4fe2969cc27fae2c9c38482"
}