Extrinsic 34603-1

{
  "heartbeat": {
    "blockNumber": 34602,
    "sessionIndex": 576,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xf4629a0f3ac6f600579cdf4971ffe6582324e3a015a6b5bd59156af32c0ddc41e30dc6b17510237ca9e9d3ed4449b535bea70dedcc3df2b1d9250ce26562cb84"
}