Transaction not yet indexed

21NMt9wpTP7tR5UHwLZcTkczKy53m7So2rFf8MbtmbiMDYVZEYqhx2ixtfxzsfwTPu3wLDofMPxPdFZfZYkWAkEp

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