{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "13086",
    "entityType": "User",
    "nonce": "0xf857cae1dd53d264deac799dc454d6f7fc498c526d2faddb879a525701b17422",
    "signature": "0x818c6461e7848ad1f03c063b75f84c77944ed714cf4c012eff95ec7c96e0db10551e21d95366ad9c61536490349f57ee845781bc58786b339c8f261bd41eec991c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}