Transaction not yet indexed

MFLJkVaQs2QWoCsn7TnhH2aZzvbUjfybwFceGufNxjDz5QD8KGKB4cKB1NpyHYJGAiGgw5tq6bbfS1XKRv2m3Wa

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