{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xf38f5d3d21c30a7d2cdf2984497c7ddda827ba2d6c5632ecf2dd694a09909236",
    "signature": "0x1c07e43aecd88a893e8fbcf605a20bd9e72eec235ebde8dc3f9fd950cbe5ceb0715b456544a7223ac4467b118610839ac7042b9984b5d484a2ad72a621ca4ba01c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}