{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "910588411",
    "entityType": "User",
    "nonce": "0x87cdab4e7d08c21d4e7dbf799d88ddf10bdca93a4bf2578dc17718dac20caf89",
    "signature": "0xabba475ef2ebb76cf3eb10766bde1ee395fb5094dfd83c65ea07ef79c78d606b5cf298ad1be1c550cea3fa606ebb3f1bcc1d06a43b8ae63d52b63a86af6c5c791c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}