Transaction not yet indexed

28upMpgcaKqFmyGwMe1ZpUXW2VmbtPfhK4AGpLXFXgpacNk8U5UTp1BD7oL3jrKwCnwpHpTgtH4oUb21eEC8dS99

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