ESTRUTURA INICIAL

USER
[ainda não chegamos nessa parte! Previ apenas o básico]
    - key
        - first_name
        - last_name
        - email
        - password
        - type

TRANSACTION
    - user_key
        - key
            - timestamp
            - type_transaction_key
            - currency
                - currency_key
                - amount
            - total_amount
            - brl_amount
            - vet
            - exchange_from
            - exchange_to
            - boleto
                - number
                - timestamp
                - state
                - send_by_email
            - ted
                - number
            - location
                - address
                - latitude
                - longitude

CONTEST
    - user_key
        - transaction_key
            - description
            - state

ITINERARY
[calma… ainda não chegamos nessa parte!]
    - key

TRANSFER
    - user_key
        - key
            - from_user
            - to_user
            - currency_key
            - amount
            - state
            - total_amount
            - brl_amount
            - vet
            - exchange_from
            - exchange_to

TRANSFER_FAV_LIST
    - user_key
        - user_key

OBJECTIVE
    - user_key
        - key
            - currency_key
            - category_key
            - description
            - month
            - year
            - amount
            - index
            - done
            - active

BALANCE
    - user_key
        - currency_key
            - amount

EXCHANGE_RATE
    - currency_key
        - amount

CATEGORY
    - key
        - name

STATE
    - key
        - name

CURRENCY
    - key
        - name
        - precision
        - code
        - symbol
        - format
        - active

TRANSACTION_TYPE
    - key
        - name

NOTIFICATION
    - user_key
        - key
        - message
        - timestamp
        - seen

FAQ
    - key
        - context
        - question
        - answer
        - relevance

CHAT
    - user_key
        - to_user_key
            - key
                - message
                - timestamp
                - seen_timestamp
                - storage (?)
                - kind
                - agent
                    - name
                    - image
ATM
    - key
        - address
        - latitude
        - longitude
        - active