Transaction not yet indexed

421sSmvfMbw4ZLAhrmmCcFjzf4Aw5tAXRaxbBFRpYmJGHoQjdo3kv5UZDUbvYBgD6rziASG8AqvdcuZtsbk4unm6

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