Extrinsic 44426-1

{
  "heartbeat": {
    "blockNumber": 44424,
    "sessionIndex": 740,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0xf68022d27766aab44f7809e8db7e68fe2ab59c06b1be862e2790bcd5ea4de23e6a8ae4e347bdc072e9a07351dcdf4f1ad42c2a52cfafb86d31bae76e55d6e389"
}