{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "601939963",
    "entityType": "User",
    "nonce": "0x9e0bed2012baac8a0e349cb34b761bc5f5ff8115acc967cdf82753ad803453ea",
    "signature": "0x2fb25f077076f915cd799d14c29ef0fff990d8afbd0ff8d223e1591f878597ff71069662dda77c45f90decd81e0268bc763863240e7fad0fc217541f71cec1601c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}