Extrinsic 11709-1

{
  "heartbeat": {
    "blockNumber": 11708,
    "sessionIndex": 195,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x74217c5f1ff1e65ce08f74f9bec6ebe5158ed2d414a13c356a016ee6a930ee1d4c93c15c9f0af9c42aa91adcc26490e36a7d0e716d3383f22c44753d7ef0538e"
}