{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "88399",
    "entityType": "User",
    "nonce": "0xfb527a3cb0c846f9cbd28a6ca37bcf26873e13127654b3441e559606b7da7509",
    "signature": "0x1f1eb8c950d9cc8668f8fab29ec5d8ddf5e922fe88a34c8ba8669d99b6ebe28644e34298f0d17b21afe1229da1744122f4a4053a6de1dcc4f82f6ea60a8dbef11c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}