Extrinsic 138764-1

{
  "heartbeat": {
    "blockNumber": 138763,
    "sessionIndex": 2312,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xcee3f0bb53c79f7aa53b7a58a13f42919f74f25d40bf2501dc13fcfa98bf1505773a5e20e89a52a9822356892ff0ec6a8a5c374a3ba2e8eecc57df4a7f7b9484"
}