Extrinsic 49578-1

{
  "heartbeat": {
    "blockNumber": 49577,
    "sessionIndex": 826,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x56b7558232a457ec0a745fabfc2942952d1f9616f48d228e6461cd173ccf381d66801dc73b1f0e28a6c15efe6c296f6206db00a31451f1dfe7ae63abe385f68e"
}