Extrinsic 9667-1

{
  "heartbeat": {
    "blockNumber": 9665,
    "sessionIndex": 161,
    "validatorsLen": 4,
    "authorityIndex": 2
  },
  "signature": "0x0cb53adcb72a9ad2466b7e3ab6ca41c8ce8dd4d799344e8378b6c692c635e74aecc2af2fa4d93e8b8058192cf40258db3cafbe4b3a28baf44821c3f29169ca83"
}