{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1938690",
    "entityType": "User",
    "nonce": "0x8c19d442d85914512665a53af5d8d2598239a3192a216ddbe85d8d6d73ae9d14",
    "signature": "0x275828e9933e14dbe7acc73f424f474fe2cedf04ba6fa3788438e1f3b362f86b21ede86a18cf25945940edef3f8971ae920bcd616579d52b44aa313ffbb777bd1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}