Transaction not yet indexed

5Tbb99PC3MgcCujCpf8yrWVNujMsqstVxvmhg6AQMkaRPpPZCFsUqZxPtR5oc4mL2kM1MPBdQTzHMTebTtpMwLMC

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