Transaction not yet indexed

21fkFvx13329Vkh4f7smLcJa474JB5drF8DRM7vvncSPc2bLvcGnMAQ9WzYnhFixYmj2WfBmxTw5dJ1umb7bmUP1

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