Transaction not yet indexed

MyLFt9iwfGxp1VR7x9YCn23hVUnB1pZDWMsgEZVKrkjzxGFVdJ667BbmYuiNYU9B2P1R34vtWerRJnFvMZPKgkZ

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