Transaction not yet indexed

21LUPzWUbBP4uCSqi34jZwAfiNGoNcGBZJHcn2WTjQpt4ha7nFpfbzqZ6pn3TW2xxfFLJA5xuem8S9Mun629vtMk

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