Transaction not yet indexed

MKk2XmW1sJEW38Tk8S44Ky8ZtV1qag6FHE1ZHuVKzYewg4RipECbRgeSiT31AqsJbDvGqjkwprtcr8cJ796Smf9

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