{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x1e5c32724847e807abd7edf10aeb7e1fc01f3a61089cda3c3b00afc9929e9914",
    "signature": "0x7cc428763c037b8cd106ace71be9a8c9d0ecc3a8508fd5104e96b69c5305c9e07cd13c9b0581ef9f3e263daebe403ed89cfa505515d5fac37a2dfabd07dcdad61b",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}