{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "361418",
    "entityType": "User",
    "nonce": "0xd7c9ccd489bb22c306d73448d577e29d52b8a157ead95152cf388985e6c0e19c",
    "signature": "0x3ca8a9178cba9f4966706d6c8dfd48cb30bebbc2bae34c45d897d85bbcad84b12d0ce8c9078304a40bba0b550eb6e879ae80d2212385a43a10b5b9a6cbb54b711c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}