Transaction not yet indexed

621DKGgQ4ebWH1LRvpZ52U2hp8YCdfG8kCKt7SuCxWXBqGuFb8pC2C4oV1qpksP8oLf5wFSUP4449CSMLnCygZrs

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