Transaction not yet indexed

AMqEX5u5tLJA5n51LhYNVUBb5ez4NejdLFfzkcJapG8CEdCJ2H9vyUHzhH9f327oMPFN64j5cygAHvU1zYF9m5r

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