Extrinsic 31484-1

{
  "heartbeat": {
    "blockNumber": 31482,
    "sessionIndex": 524,
    "validatorsLen": 4,
    "authorityIndex": 3
  },
  "signature": "0x4efe1ae09fc706ddf3c2795724c717cb837fafe1b79ed9d5bb8525b3e02e7c2ebe6aa23e3730d2d920461287a02fcac9bb4325c65ae27641abca97d4573d6284"
}