Transaction not yet indexed

21kN5R4rwUJj6kSWM7e7yQLBRNdWY7eMDeaQXwGG5Dk1aGAMXRUDcEexQWvm9H6tfnqsWWjNc9z7Wdk9WDFP81BF

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