Extrinsic 9685-1

{
  "heartbeat": {
    "blockNumber": 9683,
    "sessionIndex": 161,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x0e4d44fb96c8993e6f7efce7018b7a576970b2b1111767affe9f6d52349c2021be727c1d337cd9664f304df0a52a3de4f88ad2e64925ab0854299761acbc0a8c"
}