Transaction not yet indexed

421CdnuMih4R5GKsw7dTkM4FFK61oz3ESGtyVVkH4tEmk4T6S4ztp7BywAkfeWgws2Tcc4QAvDgvoKQZeVfEiFCP

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