Extrinsic 10726-1

{
  "heartbeat": {
    "blockNumber": 10725,
    "sessionIndex": 178,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x88a6b9bcdf19ee24daf6b77efd219d3acf3955c0e50699a00abcfd6eddc6490e87134f4c30c30ca3d148bdc80938bbaa9eead1b0dbd16128b6c0fad6a9fe1183"
}