Transaction not yet indexed

MSzUS3n9ct8Sossa1LAUH97xrcR3SyFzaPYcMtNzW1VZG2tgj92sPRCEmZ4AXAFVsCJ6vMugU47Pj8DyQH5rXAV

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