Transaction not yet indexed

421Dz6sdopfHumHmq7GnZ4mkTdg1MiyJbFe1Es2B1TZAWuKT3oM1XQAgeTBPXn47tfPyifTqb2VKBia5dwLvbXu3

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