Database structure

1. watchlists

1.1. userID

1.1.1. exchangeSymbol

1.1.1.1. symbol

2. users

2.1. userID

2.1.1. name

2.1.2. email

2.1.3. isAdmin

2.1.4. exchanges

2.1.4.1. exchangeSymbol

2.1.4.2. apiKey

2.1.5. settings

2.1.6. emailVerified

2.1.7. feedBookmarks (?)

3. alerts

3.1. userId

3.1.1. alertId

3.1.1.1. isFulfilled

3.1.1.2. symbol

3.1.1.3. priceTrigger

3.1.1.4. priceWhenCreated

3.1.1.5. type

3.1.1.6. exchangeSymbol