Extrinsic 50952-1

{
  "heartbeat": {
    "blockNumber": 50950,
    "sessionIndex": 849,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xf4a8669b2c13ffee8da5aa952837feba7e11ddee750fe7c74bdf93cbcfd6b574b5e420d93cb77a343723ab1b277f523cac00c3f243cf055d587148d0e1f8118a"
}