Extrinsic 76349-1

{
  "heartbeat": {
    "blockNumber": 76348,
    "sessionIndex": 1272,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x3c4fc1029c209de8c084c54d673aa4b88e2f859c2d28dd8d25ea9705b107030ee7111e02a59e63bfdd91a8af977c6cf2326f37dbd5f5d8005e03ff3368f16586"
}