Extrinsic 36278-1

{
  "heartbeat": {
    "blockNumber": 36277,
    "sessionIndex": 604,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x68abd23711de173b269b0defba4005ff25d7f4f8e37656d486ee4e8618eb9937ac52943078d32c1657008d480678ac7a6c4b9e44b85c915c30ea3afab3a89d86"
}