Transaction not yet indexed

42kk9unK58XMnfZue1pe9jo8QiahQaFuBwYWGDoqcrfqa6DSBWTqNiJ9cWj7T4YDaAw2e6tJiHxhgVEDvxPLLTrU

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