{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "104688",
    "entityType": "User",
    "nonce": "0xe6628279cc1be5456966839a4e34b570b13b079d9ad4d08297f750b5e97fd656",
    "signature": "0xc3b6eb6a518afcc07bd21ac1b692a17060362366f179fa5a23d232f3ff5ce1db485d71aad605527e67a82f6102419ec9eac1c0648f17db41b921caa9adb607581c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}