{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "392127",
    "entityType": "User",
    "nonce": "0x511e2ab36af1f1a6fb120325935bd7c3744a2cbc38498a71df93b9089c755479",
    "signature": "0xc5a94cba1c098a661e960ed4bc3898d0209b627f58d35cdf2d20042ed26fa64c2963301b9caaaecf40d8a561066e07af0d7c2642fa7a842a7b0e4f351b650e1e1b",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}