Transaction not yet indexed

638uU79QtLkagD3mgBzsqNqBpegdC8bqJ7m6LDdUoKu5NytdfEiW1znnWeVhodwG2FKexEDqn8AJhkETYG5zqvSK

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