Transaction not yet indexed

AX18aFo18e2te55Bc5NHiJqw42D4PkvQxiNNjFeG3YSuQEkFm6P54gCFupsnMRsu1HE4vXk2UaGkJZiiAudQS2n

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