Transaction not yet indexed

1NmpWMK4pKxVYertGHHevpiwEg9mbFefwGoVaD8BhgPUgVvRGBL8cSgNrLq42Yc5gnB2dpHWiPHQissPYE3CKDF

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