Transaction not yet indexed

53UbSWwZmPiz2cs748XJXwhAFFHaWae7i4buLnqAkN2sVwwi34gGDFTtdRZKc5UWzubpVqeLCz4rwu4L2L7XaGbm

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.