Extrinsic 24699-1

{
  "heartbeat": {
    "blockNumber": 24698,
    "sessionIndex": 411,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x0461cbcb289d43a7100b2c72d86f0e101782a8883c72d12b7e620b46b335ed26be8314aa013c1c546313932abf1b059ff61e30fee6f116cad4cbd7e4ca206481"
}