{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "956567980",
    "entityType": "User",
    "nonce": "0xe8777b474d58fb7be6a3f06e5273b4654315ec84b9c1e3b71d00937dc49b1412",
    "signature": "0x2580a71bddfa07c1ed5d480bc15ee28cdec66ce65b946ba618ab4b9f8b9d53d852709e90bc6076a8cf3f0b3787fcde8e0544f879c4d3a66496a3cb22a6c918d61c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}