Transaction not yet indexed

2M21eBzM7Ka6ALDPKp8DVGay3SZH9bg9xyUgqyGQq1rsWS8W5PyEYwb2nPrZpePq1CekM1f2otqrAjSVC8mcLGP7

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