Extrinsic 45849-1

{
  "heartbeat": {
    "blockNumber": 45847,
    "sessionIndex": 764,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0xc2eadd6cc73c639986739deb6656efd0014b6093ee430dd87499c7cb6facee02b7024a96ddcb91640c8c2ec6c378ac1cf2cb50f50a17a67971899b9c5ffbf487"
}