{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xfe5b5f24d8a788295ce112ce8c02b290a7322f8483cf189fca8aeedb12f0fafb",
    "signature": "0x3036346852c3837df7c5961bd6f0f86eebb78e6f93c71a8204942c7d2f09553c1f6bc88f7ec023ba35a12f9d9fb5725336d274762e2d336fcd2905b2ae89f4e71c",
    "signer": "0xb06eDBe30F494597D9eA8faBd25c1E9d0c159294",
    "userId": "531759410"
  }
}