{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x6eb692ebe99a2b8cac7de541bec6a4b76c2473bd6213b72a9a175265a3d3c27d",
    "signature": "0x758c8c58d3843a3ea74c74ac21379097c1b5806d7c9eeed15a4a15777e38a94a4a21e8c4821016963c1eb3161dbd87736481e4c8817489839ab141d52a5add441b",
    "signer": "0x7fD36Bf59fCf5634329A1230914D646369Ab741B",
    "userId": "137133613"
  }
}