Transaction not yet indexed

421MH2K7nQzueyHP6GqFoiVSWToAVZoap4ZqnsSaihxvRHg3aS6D2v1jVAnU5bjpfLCimsz1G2Wm1ZERfij4ZLCg

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