{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "115776",
    "entityType": "User",
    "nonce": "0x3dffcf8aee1e229406ae302d8e0653d391e076c7262f86e0d3b0f4d54295b1de",
    "signature": "0xddeeb647a3fd3a6478052ce620a11cac5fd5eb1b1febbc40b3150594b8ac8a943546d8da98b77e917c8e4b9f5ec4cc60a2c3e550a8b2b25d6be7c8c38ff1c3111b",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}