Transaction not yet indexed

21HWEbT2AqQR6DHL91J4RWuNNaYHRznTabw32CZ8Ck5NrXKvfWTiitC6sqnxrKXDoUWG3NiXm4PzMYvN6NeVNt55

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