Transaction not yet indexed

1MdRK5Lzdyty3sebUiDYnYBGE6fUCozAwSnMkDuVCuj2yaSQBQJJNSY7bLmKAiJ52egm2tk7UgNfMdSdXrhrET3

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