Transaction not yet indexed

Q16ppjdENnqEHku4knBmtSE2zEP2ykGx7t7xRrPvMPSK5aUx5Shy2MMAuKz4jgUdeG5GE5qtwqyfSPGpoKebFn1

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