{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x70255baf493c6641025f724733cde22af7cea99a4e9d1d2f42a03e8c977efe08",
    "signature": "0x034640c6ca2d1c3135c122ebb67648e27123c9e00e09f6531239673c1f03fe5c60caf519d2993f230408e0e0f45ca0a961709977cf667a7ec7a8ba3d4a5d045f1c",
    "signer": "0x14FF2Ce3bf23AEeC9C140996251F6f85D8e99431",
    "userId": "53273933"
  }
}