Extrinsic 9673-1

{
  "heartbeat": {
    "blockNumber": 9672,
    "sessionIndex": 161,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x34d5e99b25ae4b6681a262440ff1cf34f7b42fdccbcece54893d39edd90ad96171806a2937cf0ef823effeceb552e88bbefca976a89c75467a2ed72d63ec8982"
}