Extrinsic 45040-1

{
  "heartbeat": {
    "blockNumber": 45039,
    "sessionIndex": 750,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xe8d941307f865a329c8af900de5efc909300d4a11dd96be1bc3afa941af44224fb22d6de9a55e49e6ed21ded3c2c8803f29bfd650132cdfa0e0bcdf41ff73a89"
}