Extrinsic 34775-2

{
  "heartbeat": {
    "blockNumber": 34773,
    "sessionIndex": 579,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0xba1f92551d47dfa3d219be3be8a02949caf91e61edc2757e71633fbd1f0d4d49f3938bbadc8f71f75cb4a922e8cdd0bdfe778993f169de30c5fa2a7f134ef881"
}