Transaction not yet indexed

mEX8GSAZvDdhTHdjCgFXhWZmMar1srWTEJr4T4166Qw9GJbc4qgMHJqBC7dkrs9wrZSugv6HiXkAMpMtUmr57HZ

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