Extrinsic 7368-1

{
  "heartbeat": {
    "blockNumber": 7367,
    "sessionIndex": 122,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0xbe815edba30394d42b7f1d5665370e64a9f7106a0b629d0d929c0c90ef9f37253f71ff31db61dbaff3a07392678c7ac41adf6570ee444ee039da69ef0f337d8d"
}