Extrinsic 99678-1

{
  "heartbeat": {
    "blockNumber": 99677,
    "sessionIndex": 1661,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xf44812802cdebea6e9be537d583bea07b42dbfb8d5b5081ec05156d22003322c075ed5558ee4d641179c3949c29e01d3e47d8380197dbc92b356cf7c3fca528c"
}