Extrinsic 67346-1

{
  "heartbeat": {
    "blockNumber": 67345,
    "sessionIndex": 1122,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x9eb524fc571d78895d951d19fd64873a26c5d4f2de2d4cf45086a27ae4e94a693fc0460e7446f2791bfeb36b7f3ea534d37cf95932a078f06018ec72eea2298d"
}