Extrinsic 100427-1

{
  "heartbeat": {
    "blockNumber": 100426,
    "sessionIndex": 1673,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xe807c572717cc448a7dec3ab48056ace3895da15421ff31e74cae8e6dfad346a5c482e6a7752d1a4eaeb651aa8ae8e43b971bae701fc7c825964182dca39f68d"
}