Transaction not yet indexed

uM6XtQWe1C9zAdM7xvhd7eVi3NTb6Y8Ccnt8pLapmyBXhCNZQuPyySW7Db7pPm4EngEbWKBeYjYGVUYM7GtfuS7

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