Extrinsic 32320-1

{
  "heartbeat": {
    "blockNumber": 32318,
    "sessionIndex": 538,
    "validatorsLen": 4,
    "authorityIndex": 1
  },
  "signature": "0x869ed4420be2bcaa060f02346e3d51a573087bebf0c62904d5467d2f4edd035925b911d6630f87a0d49400c4cd12ce3ff9e92e0243b4fdc086054a9d6071e088"
}