Extrinsic 23142-1

{
  "heartbeat": {
    "blockNumber": 23141,
    "sessionIndex": 385,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0xcc1bcbb26f2d6a2c550552564f53d97920910e37e0feffaf5133929eb789d27abfbdda2ffd48c07b9a7f5f21a3cd8a4502f23f4345a343c2bd5b32428686f98a"
}