Extrinsic 45393-1

{
  "heartbeat": {
    "blockNumber": 45392,
    "sessionIndex": 756,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xa6c4a9b6327971c078be0e0429044ef845efca6b476fdeeffc106046ac191318e28c82bd35ce656541001fc27ac9abfcad5df80514ba40bca0cbea37cbf0b48e"
}