Transaction not yet indexed

MYYWnabJbPk6jk73YUK1fnUXVo1T4nBVucEc5CK6tEKCKkG8XXVQzMHGqhFJNCfH7v82wz8rFqd6de2UZfbtus8

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