{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x3c684682ccce499a2081ad62f6b221b40c236c003022dbb64c425b16db0460a7",
    "signature": "0x4281823de004e1c5150a0208281910002869e53ba6931eb0d2c654056bd7234b7f7af7ee9dda5cefea6824ed1993cad8c294e600f041d88caf9e1baf82bc69061b",
    "signer": "0x1692a1Ec6F40Ad8bb0eA48A6E60FA63F2CE81283",
    "userId": "391257411"
  }
}