Extrinsic 50389-1

{
  "heartbeat": {
    "blockNumber": 50386,
    "sessionIndex": 839,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x423123020d43c04399e12cc135605b1a96f217d629a7f19f819598825b417f5b14d95fad064f7e81e5a19af459ce9a56e340582f6ba954c9f96361067c9a2f8e"
}