After a te message you receive shortly a tu message that contains the real trade id (ID) and additional/updated fields.

[
  CHAN_ID, 
  'tu', 
  [
    ID, 
    SYMBOL, 
    MTS, 
    ORDER_ID, 
    EXEC_AMOUNT, 
    EXEC_PRICE, 
    ORDER_TYPE, 
    0, 
    FEE, 
    FEE_CURRENCY,
    CLIENT_ID,
    IRREVERSIBLE
    ...
  ]
]

Stream Fields

Term	Type	Description
ID	integer	Trade database id
SYMBOL	string	Symbol (tEOSUST, …)
MTS_CREATE	integer	Execution timestamp
ORDER_ID	integer	Order id
EXEC_AMOUNT	float	Positive means buy, negative means sell
EXEC_PRICE	float	Execution price
ORDER_TYPE	string	Order type
ORDER_PRICE	float	Order price
MAKER	int	1 if true, -1 if false
FEE	float	Fee
FEE_CURRENCY	string	Fee currency
IRREVERSIBLE	int	1 = block irreversible, 0 = block can be reversed