{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "101907",
    "entityType": "User",
    "nonce": "0xeae59abd3bf5fb6d5045bcd7b854b0a083ffeb303f5f08d1c2be18ae731d1289",
    "signature": "0x7e5fb00dd85b649b66bd97fbab365731b5c69738990fc99ff6693b98fbda9b6f70132efc4b6d528769aa0c1896293811c30623420975c0d49794877069f511f61b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}