Transaction not yet indexed

21kn6GPi6VguPym4dphJEJpVM4yFsWYFn5c6p32Sd62RDUaPGZspK45h5qsFHipHb1NLtroYfiGjdPev1kCDNGw4

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