Extrinsic 34835-1

{
  "heartbeat": {
    "blockNumber": 34834,
    "sessionIndex": 580,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0xbed9431ca46442c58334ebdc9a270e1f3da326a659a50ba942a80d1b43a58541e62cd058279df6acd1cb0094e0bb5155424500acdca9381cd28c42a4cd598f85"
}