Extrinsic 58728-1

{
  "heartbeat": {
    "blockNumber": 58727,
    "sessionIndex": 978,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xe880bc441023195e9617dff38f3d32df2c6624e36db5e1f2fa9f2034a21d453e26346133eb3ba5b8244b8d9f49bf584e032c5fe57d5002246347db586352bc8e"
}