Transaction not yet indexed

AMkKw1AhsppzfTdoe4eC44mpYzXMF7G7qiVVRjGUnsnoGhGYgikenk1zSCqYxAbnYnWik1BzmGPnUnFVcwKP3WZ

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