Transaction not yet indexed

U6uUmmALk5sE3grGZ6czKkRUTCdCkKJsQBLDfqrmMPcocmCpYsRLxWR9kDKU8VyyNrfcRWFuJJjAkzMD6ScKMV8

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