Transaction not yet indexed

mix55ErQpjxirvLKV6YVBiaf4xiUPk86HnmaC6m6tbRs3LtzFkY7rpjj5dmb1RhvZNJEKvJKkq2sWSQMfysHxd1

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