Transaction not yet indexed

21Cub9d3bsKSke6muApSphE8R1PFCgPStKEA8a6yqbo2WT4tNjg3dcyrP8qQKQDaPWQmZ7oyaaSdXopN3WsQNr9N

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