Transaction not yet indexed

643EX1kb5cyaBPykjwt66xxCdKqAYTdBYMV8wrTYnzifJVWBfBitia5RT6Ky9oqXHAxz24P3BPNzR7whtS82V3UM

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