{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2554",
    "entityType": "User",
    "nonce": "0x4a0b855d28efa45ce039721d04f021e8d539811ae527dd5a68e9c57da1f6de3f",
    "signature": "0x1d8c8f659c059765103801f74cef447ee94d4ae7ed0151dabcc550918bca4f303a43b15fc755da5a32f5f973b1cc05ac5383de8bee38c8e04b8e8db312d190cc1b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}