{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xe62ce864d26cfabfeb6697adfebcea2916de53cd8dee0a78c3928602135cf507",
    "signature": "0xb8becf8d02288c96a9766b46f6d1373fc6b0b117d8bc42318fb02e82374fdf37227972215baa7cd1fb272985e1f0dd55fb8ec6788057c56c8b59685fdff2dfda1b",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}