Extrinsic 178940-1

{
  "heartbeat": {
    "blockNumber": 178939,
    "sessionIndex": 2982,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0xecd192ee13f7f8e9b5e839ad3d6372692bea722b57bc3cf9b934c83e446a503c1ad1638c54fa69b21df74fb974beaf5b9774cca5846e04a221f767e7816a1181"
}