Extrinsic 119909-1

{
  "heartbeat": {
    "blockNumber": 119907,
    "sessionIndex": 1998,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0xa441e8aaf64857a3798cc83bcfdb823cd741188846dc7060dc7ea240bd43720cf7e5b916be14781b2fcb4c414178d2e1acc191295e65c92d800c47600a8c8f84"
}