Extrinsic 23227-1

{
  "heartbeat": {
    "blockNumber": 23226,
    "sessionIndex": 387,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x580f3e9449263457929e7d8e88df8defe76f4e97af823913f4baa5b2029ecf656723b24ff40e389dd848583c99062865cb9c35846f82013f763eaf159af55f8d"
}