{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x242ba71caea68e8070fb2425839465bac57fb103120f894292fb1a35c35517a7",
    "signature": "0xecb9127adb9a2b0093277b84f344438b0c6623df2c576a5633b0e3eafda4434c3bd9da7ce6f5e8e4005163953816da42bad5252306a9752bc008701365fc859a1b",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}