Transaction not yet indexed

Xk21vubE1DA1ddWfuZ22xKM8ij5XHDFjWAP6YMcpws2fzTimdfVbvFpURVEvFvYvMK7dHdFUoqPpr5Y3oVZjDHc

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