Transaction not yet indexed

21ZmR7jSkoUWUM8NtZqUDrG9ChWLNPB3tCZKKVtnjaA8KxsmWKs3fuynfxCqeNZuRCtqV7T2iKAUw4RdmMXSVUoU

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