Extrinsic 139474-1

{
  "heartbeat": {
    "blockNumber": 139473,
    "sessionIndex": 2324,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x10b23b63c0c89f6384790186fa16e28e6cddb7176ae1d439cac4a71ed6a23d465fc5eb1f12f02b9680e4159511bdc131f5652fe68c1fb0d1f434c6e6459e688e"
}