{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "16411799",
    "entityType": "User",
    "nonce": "0xd2a01ce2d90ce4930bca02af26e8eb9ac2458f746ff0d7564bfa12cf61a1d627",
    "signature": "0x2ddc1d0619a76917644a3b67de43c2b9244b690b72d24204290cc390a794c42b467630882171513d67f7021785d457b8c12b2ab1cbeba7cd78164ff8a173f8921b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}