Transaction not yet indexed

MtkpKhX8s7kffSFVEhspxnM4b6PpMNpUnj6y9GPDQoTCK356ZBNaDvJgAVFFf94VtmyCGViM8UhVVmstUmmkZFg

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