Extrinsic 6993-1

{
  "heartbeat": {
    "blockNumber": 6992,
    "sessionIndex": 116,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x84484dafc18635eafb62eb549bd06dde257acf4c964d5956979e349327ceca41bb8782082504e94fd48f36a522935023d96786be7184541a450276412edf918e"
}