Extrinsic 143560-1

{
  "heartbeat": {
    "blockNumber": 143558,
    "sessionIndex": 2392,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0xe602b259999443f584028c9c695cc67ea3bbe80326ba3951ace674e49bf8cb50d38aede69c5969de5df5b67b9a3faa8033aa694d89cf26ebe5953187ff34f580"
}