Transaction not yet indexed

AmGtKuEQHiRtiujNpgSAYVr8pRu3bjRPrf7VwFZPbc5u4bSZzm289TYksYWFxjc6KuVpeyqqPMS4U1NXugVr58S

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