Extrinsic 3041-1

{
  "heartbeat": {
    "blockNumber": 3040,
    "sessionIndex": 50,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x72cc9bcc0570980107a4f7db963e816fa18b2da22696265eb27ff9f6a97383683ea34a385b734918c8dabd36adaca58f1fdb8cc7c9549699957aa91cd0800386"
}