Transaction not yet indexed

21mG91vMFuT5RBqwcQ9ViYxSvZMZiBU7nKKAHxBFfHYoDMEbPbCA1ceUPVo63sVDYc8PdCm2aeyFSw9DpTLWqVq2

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