Transaction not yet indexed

21XUpwMM2CEoUqdbQCBqAkJ2M9ZLksgehD5b3uh3NjUj4rAgs3TtyoZb1RfvFPzr9zqiYL1jiSgHVCAcSqaCAfLq

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