Extrinsic 35561-1

{
  "heartbeat": {
    "blockNumber": 35559,
    "sessionIndex": 592,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0xc4f728a43c059607d4aff9e3213327ce4ab2675e609d5660b97636d4d84c08543e20db4504235aa51d9b739100fc36b00ea621474d8ccb108f1ecb291e3ea588"
}