Transaction not yet indexed

66MK4J15wCMQtYBKGgNGvt1L16Eh6RNtv5oaNQgDuDqWncmzKLtcdn2FYpWLAncKuVsDpBKAkGnmaHR5MJRVU3ef

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