{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x89b33531a8b4374084f3cb819eda340186838c606c550bf48582c069587ec8fb",
    "signature": "0xbc4d724379c5c517cf1087249668dcf7cf714196c687ee3fc27b1b366ebf8fd302c6d6017f40ed97aadbf79e1a210355b96cd6af3dae149a38fe7950f42137261b",
    "signer": "0x4086Dda2D91F77cd46De0859a4de37F888508faA",
    "userId": "568518925"
  }
}