Transaction not yet indexed

MymCfJUTF21xMiaZDyKyeX2XaEZtwPjbdGq6jPUvnKQdMmQT7Mh64iHV6GZYk3oG4umaH2SptushCEY9FrbgUJ5

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