Transaction not yet indexed

c888UmHYw73anGM8x7ofLT1V4vuTvrXWXHf3zyBWEfr8dBig5Vd8RzAgTnhtepFQwK2RQLRZqqigVa6w9XbLULT

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