Extrinsic 10270-1

{
  "heartbeat": {
    "blockNumber": 10268,
    "sessionIndex": 171,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x0a89c2ccc21e17809117f2c6aa32ca6e7caa62246135ea14908ab91137ec713f5fa96342ba90dfb5d5e082a28d71ac224d05377c5a79dd4abdc5a3fa91571a8c"
}