Transaction not yet indexed

Ngp7UMMk336a7chgMqYdPtwv9gtWv9dwBfJ66keKohSUwNWpVxxhNDyWfFuqTswfsvxmaBJ7fBLGoV9c3MBaE59

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