Transaction not yet indexed

21Ccu84X6H3szxogKpGpqSebJvSSgK4VTH8iXsREQgqiFrmbd4Xnggqe9hnFKZzqi2FS41qVtRQUfyB7a38NXA75

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