Transaction not yet indexed

21mgxGWB34pC3CgNMMdnC4y2FkNPMkGDeCKosPeseMUmgqQddRyX55HqFoAgzG7SbHdSmShFXusEhWsnUmU4WSR4

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