Extrinsic 22789-1

{
  "heartbeat": {
    "blockNumber": 22787,
    "sessionIndex": 379,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x0424f97f56192526a55d51098f7722e8196ded60a2b6e133b32ebb726bd8a3640e0d4ba5749506e1f1be8543da309bed6fb469aa651aa0e800b8c0e12ec33981"
}