Transaction not yet indexed

53mm1vK1akHUZ5U246eWkzSCNfxYeq5FktuBiomvCLxevVr1fk6inT1dAhtJhki3UvFfrDAnUSAEdvZuLXtkqKQt

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