Extrinsic 45268-1

{
  "heartbeat": {
    "blockNumber": 45267,
    "sessionIndex": 754,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0x98e2b3f8433d22ac8d820071efb072d5e4dffb4b8d543655a4779835c5cc2c5cbb8a6a076d4945c53f1fc6a89ad2a370a4a7ebd3c3142d726032ad338ac53383"
}