Extrinsic 10777-1

{
  "heartbeat": {
    "blockNumber": 10776,
    "sessionIndex": 179,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x44c45540effff6fa194511789b9d39ba3dcdb3f9d69db7f807119d21c2fa742520118d0cbef496cba7e903bebfcdc344349f600726c4a2d3427058793b445a81"
}