Extrinsic 99644-1

{
  "heartbeat": {
    "blockNumber": 99642,
    "sessionIndex": 1660,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x6c05d799ded8bb4fc7ef96d54cfff1ca3347e60134d0b0ddbad212b774883701a18d6111a15847eb00a83339f9018a1e3e935471f31c1e3c5219e34c0063b985"
}