Extrinsic 23927-1

{
  "heartbeat": {
    "blockNumber": 23926,
    "sessionIndex": 398,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x68738607c6aff2012cc8219f9974182545dbadeb4690f8614b8f915a2beb6b6b169b24ae38400065f047b362e107ed5c54aa32316a9391e1912ffd5a6f4f6087"
}