Transaction not yet indexed

21SKuTDcgzGGPwRwz79VJkPf7bQHSpo2YR8T66dMyFv2m6aHXKGRAPeEMi9nh6SXaLvPjN5JRyP8APqMast7zanA

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