Extrinsic 56679-1

{
  "heartbeat": {
    "blockNumber": 56678,
    "sessionIndex": 944,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x68d5e7c7cc68db2c6d88d7310c5dec4fd83d0da9fe0c56aeb8338f9503f4fa1497337ee2a281c91feb6de0ace524c4126aa2878a028b41d82f06a66f804cff8a"
}