{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50541",
    "entityType": "User",
    "nonce": "0x50465512e77392c313751b705b4ae265a17018e7410bc7416193578d4823bb09",
    "signature": "0xbe8c519c4e1168627b2ec44c943a63215ceb2d3ba62336584f03f9a7754d9827381237067f2c8e4a239ba264d5a8887da1a1407f014de0618afd7191a7caff251c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}