{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "97488",
    "entityType": "User",
    "nonce": "0x269df1b9737bfeb5218f012d5396f3c6d85f8f4d89094e84a89b4fcb10599a8b",
    "signature": "0x99c78df5f7a842fbf1b03ad36e1cb15ae9b00949d47fb1fe933c7b57ba113cfd1fb5565e1c8955c6a4d7f3b8e3f31ede31ef103032cbe3ec51bf6e36fc5b545f1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}