Transaction not yet indexed

66C15tx2rLyH72uA25zaj3EvYrcUUAz1dmss2Jsrzpmhqact5tWn35KUf2QWjng3ECoEjvRe9QLQXN9EXGhgXBk8

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