{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x88f062ba6005998180b1a1c5885fc307c04afba2a20536073e4c0a833f5573cd",
    "signature": "0x6ebdea527fb6aa0aad71942f69ce19659638dc4cabf046cee64338aa42c4025e41fd18dbb5e1ee01f0db43e7f5a775b4ab85bf40a5133d8a729cf8f8015781471c",
    "signer": "0x995Ca8f2d3956487967aCfd7EA849313C448c3a8",
    "userId": "227564"
  }
}