{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "269304",
    "entityType": "User",
    "nonce": "0xf5e59369e55765fb4c4173ac56a24f7e1023cc7f9e2cd9c30a61b8e9785c3a38",
    "signature": "0x5b8fe481e82859b6848351b8338d043bb04f9d016b7c0ce9b80ebeb063eae8995ad0354384db0f0e0792f6a3e61b94e3379f50c139fd0944f930fb84421018271c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}