Extrinsic 73088-1

{
  "heartbeat": {
    "blockNumber": 73087,
    "sessionIndex": 1218,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x448cb9a8aed46527de17ed57785cb316e92c9a96c3aa5aa997716a6559684c3421556ee3dd68030b9de8e6cbb5daabc58bb3d84e48608eaf84d6ebe0f074f084"
}