Transaction not yet indexed

21C4Y8FKnBMtsD8a4282Wv4Ha3TMP83QeRJ3mFjrFmoAt1kBq3K5JqsfbSiscX9e6KGS8GdbVQaeaGdJzciv1vFz

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