Transaction not yet indexed

21XhcfvXeWq5dkBkZD6Neh6QPdN5SbaAa5KFqhpfgoFHGapSNJjHJPgnPbWByrLoK1ZTEqeoE4aPtFMMLpJ984vh

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