Transaction not yet indexed

LKF18ZM8YDkEPrTfCymQnBgbULep8r6N8yibMdgWW9o3DomUYPRiQqim4psFeuCfMkJSFfWdFtmD1MqwZujL7r1

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