{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x1a6c730925abab0f6325a59da57dd91e1b4bb10a2445cb079d62711bc560d312",
    "signature": "0x2f7596252c2e535c25200923d538c54fcba852ad7a726ab6370078160f092e5b16bf687284aa160a9c8a0bc3b6eeee3d44e7bd741b4caf42bb947ea8143b74741b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}