Transaction not yet indexed

5c21LqKbiEL7xJdwukHGBmS1ecWiQzBBfpyqhpvbNiSMptVYbTmUsLN2iZCcsWpUmuKJD7d52RNJf7qyYPZh6LvR

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