Extrinsic 44426-1

{
  "heartbeat": {
    "blockNumber": 44425,
    "sessionIndex": 740,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x60d2cc97a12d0a044fd0b7d87e5b860ce35da78989057b24e606ca331e3d335d7e47945044eaf3958bef10bae4751a8c5eb4788ae16003fdedec6806f7267587"
}