Transaction not yet indexed

5b1UmSEESEfx6Vs38PNkNvtuqmP17eBm79jUTkGgLSLZFQwtnmnsDd4bD8sPZXpKidKdacMnt72ncU3axQYVCe49

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