Transaction not yet indexed

Am8MNrcdx3Q9vdkwQryxQaoLNAGVw2LLwC6QndaeJrsxtu7qwnnsgQCdMzY9ocoLQPq4D8g2PkH9EbF1chUCaKe

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