Transaction not yet indexed

21TnAV9N5obvW1w6MWyk3cHAhEmhmLiSFERtoPLNGQWTTdNBW4keftKdtvmfyFiXEmtZmHA2sJdRhQVzKDiV36oz

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