Transaction not yet indexed

666oCLhZDbB1Fy2U95srWHN9YNLFQ2GQGPmFNJpZQGgc434iUQQndeZPQ3pxTfHrLNJUex2ofKBq488iyguFAo16

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