{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "73150",
    "entityType": "User",
    "nonce": "0xe0b76b0216265a763c4fda07558bff8f9effefe19020807b2617ff95e24c4650",
    "signature": "0x8c7f946b057d438e771c05b33e06ea201dcafcb5f304f4e7d790302fc294c40a02525aee953f72b8d1b2076e5712a96d0d801c0cc1d1016d0bf0bed2f58d40441b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}