Extrinsic 40241-1

{
  "heartbeat": {
    "blockNumber": 40240,
    "sessionIndex": 670,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xdc06c849439d7ab5efc24ac38f031da5874f5fa6afc3c511b789b291f1387b1497ec2f74f3843cc53adea94d24e7b88e52c1879f4ead7b37d9cfd72b05daef89"
}