Transaction not yet indexed

21SN16w2T11yeQUm285UHSFWMnso6ZRsHCk6a2Lm6KryHMZGqcakVxVpUY1Zc44KdGdbTZVHpVBzk5znKMDEpfmH

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