Extrinsic 31464-1

{
  "heartbeat": {
    "blockNumber": 31463,
    "sessionIndex": 524,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xeaecfecf62b46cfc907c1c2b7a4abed2f097e96b76de0e430314992754a1262ae38ffb891d37c4e489bd1de6e4c9f23c6e630840403ccf633b8019cdc1ead880"
}