How do we determine the tx type

The transaction service returns a list of transactions with certain attributes. How do we determine what kind of tx a certain transaction is? Here is a list of types we need to distinguish between

1. History

1.1. Transfers

Type	From ->	To	in/out	Currency
1	Safe	Safe	in/out	ETH
2	EOA	Safe	in	ETH
3	Safe	EOA	out	ETH
4	Safe	Safe	in/out	ERC20
5	EOA	Safe	in	ERC20
6	Safe	EOA	out	ERC20
7	Safe	Safe	in/out	ERC712
8	EOA	Safe	in	ERC712
9	Safe	EOA	out	ERC712

1.2. Settings Change

Type	Settings change
1	Add owner
2	Remove owner
3	Replace owner
4	Change Mastercopy

1.3. Custom transactions

Type	Type Name
1	Custom transaction

2. Queeud

2.1. Transfers

Type	From ->	To	in/out	Currency
1	Safe	Safe	in/out	ETH
2	EOA	Safe	in	ETH
3	Safe	EOA	out	ETH
4	Safe	Safe	in/out	ERC20
5	EOA	Safe	in	ERC20
6	Safe	EOA	out	ERC20
7	Safe	Safe	in/out	ERC712
8	EOA	Safe	in	ERC712
9	Safe	EOA	out	ERC712

2.2. Settings Change

Type	Settings change
1	Add owner
2	Remove owner
3	Replace owner
4	Change Mastercopy

2.3. Custom transactions

Type	Type Name
1	Custom transaction

Special cases

• What do we do with a otherwise simple transfer that contains a data section? Is this always a custom transaction?