Extrinsic 68140-1

{
  "heartbeat": {
    "blockNumber": 68139,
    "sessionIndex": 1135,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x606cc1448eef6a4091357bc66c11818eb4bad1269a0a5a2585a287ffe85c7643b379075fbb927fe122d97f2cb9a986337df385f4efc2364f103d86ffeb936a8a"
}