Transaction not yet indexed

5u53JWSXpZDRjon2ibi8mDxdgwcmobBRSLHxtUSSsRC1wSTLjxuo8q8qoaM6j2f5u9YxQ9ajvVSU4T6eUWFNsWrz

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