{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "362508",
    "entityType": "User",
    "nonce": "0x52ffb29d9312959e56b8d6cc48fcf0deccd5ca7fe47f9d0790db582f6baf6664",
    "signature": "0xc8fbf82d4527da84a567e2f0af95447a27674bb3449128930c97853fd80d205c6540c22055df2ae78e8ff37126edb47f383b1476fa36e27b9bd15c47af5954e51c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}