{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "232042",
    "entityType": "User",
    "nonce": "0xfcf3e4cc8784cc80dd7b4d174a28376e74734651782fd840bab24a785c75c3f4",
    "signature": "0x0000beb4b76ab96cefefcbc7842d3194554090cd98e0c20a19b81ba743e6c8930bae687a009f7877cf21bb77597cdf8df14bfd619b94a2975b8f7136d6710a8d1b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}