Transaction not yet indexed

21f15MiDoLFTAGW3zSmccJ4T66TCa7HyiyqBLLtUGvk4DkJeHLLSJo1KoXTgeSJcL8Z7JyycSPUtc8fD32J99JzN

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