Extrinsic 176776-1

{
  "heartbeat": {
    "blockNumber": 176774,
    "sessionIndex": 2946,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0xe85e6f85ae004e0412c40e3bb5a8dbdb215d506f9c13ea693cf097a94f84e474e6cb75b7ad2c0b468458e3d78a7b2838bbe8a911ba28347938723c3c52c99086"
}