Transaction not yet indexed

ym6MmPM2SKwvEVKZiFPD9EhPM2zVxhuTMSie3oFKCUfV6MZ39fZxWJ7fPpJ1SLa7wT2ybQwEhdZWuCMK2T86u13

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