Extrinsic 32928-1

{
  "heartbeat": {
    "blockNumber": 32926,
    "sessionIndex": 548,
    "validatorsLen": 4,
    "authorityIndex": 0
  },
  "signature": "0xf234b5334217e5874233fceb30ed06145432ffffec1650441371f581e16f4c764bdc7d256fb58b77841bb40efcc7266eb3a076cdae57e058dcddcd3715288785"
}