Extrinsic 99750-1

{
  "heartbeat": {
    "blockNumber": 99749,
    "sessionIndex": 1662,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x8670403ead1ccb6d5710c11c507c2db8b78a74d19410391d30cb1cf159a0e44fea33e5eac5225ae130fa687fc0bf9fe18b5b21e4b6821a5c09cb92ef86af1f84"
}