Extrinsic 177695-1

{
  "heartbeat": {
    "blockNumber": 177694,
    "sessionIndex": 2961,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x08018e69282f0f3912d05bbf78f9bcc6f9837067062341a197373e4c27f37b18307ac7cbbe5719f7430b3e7c056cea51997e78c20ae0dfa0473665c5bdd46487"
}