Transaction not yet indexed

XTZAMLBwxjLLM4Zqtu56gdExHfGwTavLW1jSwnPuqbv6WFb3uZP4gLeXrFzdx8nA6YmeGKMpykZWqLSCs66H8vW

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