{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59528",
    "entityType": "User",
    "nonce": "0x2d35e1f51082adfe50cbb9ff79e55e7d5a72f6478d0bff9673e2dd18ed6d93a6",
    "signature": "0xa49935183919163c3f420e9d2c0230700c31ae50d6fc919ea61e35b53d7967eb1c5727a383fba4ede01b11c91f9a4ad4ca327cc26ecc911c5b38f442299d9c471b",
    "signer": "0x57D64A47c0B6C0789D9565B3D90270Aea276eB11",
    "userId": "199258"
  }
}