Transaction not yet indexed

LUu53zeVBHrcssfFRVqSkuKpDEEvb1DjNBsvc3AFo1AxXxK1Sofq93fXfLzM7XqP8eEmZYJ3f7pVGfrQJk5n4tg

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