{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0xfb471cb61cac423c84e4fc8958cd57881f412f153b804c3f2096fc6d38ebf4bf",
    "signature": "0x206ad571cd909647ef87f691b67009e78d1907c6a085c31c787ee395ee1f9460020dfa0f4c2ccd0ae2a5458af11b244fc1ffce21940a1c892f9d4f0ba83b0c9a1b",
    "signer": "0x7B499405130cFEFBBaec9980A9E37BBE42E8589D",
    "userId": "633494619"
  }
}