Here's a 2 chorus Bass solo transcription from Ed Friedland's Jazz Bass book. (See image of the book below)
You can hear the solo on the companion CD, but it is not transcribed in the book. Here you can find a notation only version, as well as a TAB version.
Bb Blues Bass Solo Ed Friedland
Bb Blues Bass Solo Transcription with TAB
Bb Blues Bass Solo Ed Friedland Tab