{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53471",
    "entityType": "User",
    "nonce": "0x332b3cf0dba8ce5ddda4453b4b5e773af55e0b95d6e367efd59efa750ea85974",
    "signature": "0xfec3b3d31bd828c9ed826d4002432d2fdf61263135280ba14789a5524ce49cdb05fe78e05de1a5265d3481e7a050b3a0b9a8a6cf7f0ca83ba7c13a74286733561b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}