Transaction not yet indexed

21Cc5KhpDoYHLPiQASZ8W2LFMGifvo6zfoU1LT6pfWtjvjkRCXTd15rxRb8DZiSropVfcTi5jdKy4ksXt6v2cLz3

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