Extrinsic 24311-1

{
  "heartbeat": {
    "blockNumber": 24309,
    "sessionIndex": 405,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xa01f7b6471289646f20b95e9eb6e802f6a7d6279baa248fe16498b0cd37ac071a109a5b2500bf99ea46798df852cdf34ec99e9ebde6401e5a8249a167129638c"
}