Extrinsic 108103-1

{
  "heartbeat": {
    "blockNumber": 108101,
    "sessionIndex": 1801,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x20d3a9561d43e25d7f7feb9080a14bc676270e3b1c80012df39eac0e19b0c6564e28972fc276155390068c7bdb07222d7e685aafc321b278789b22cb73dff08b"
}