{
  "manageEntity": {
    "action": "Update",
    "entityId": "936586682",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xa116802510c2d73900b1460fefb82554ca7f8aa490991a3e4f4db14cb9654dca",
    "signature": "0xfab6513206d1c73edf581240da6d68a3663652819bee7b9883ae95c6226084541082bc74fead923ca878ebb487f4e0b99929499849228b3d8162d909fc0187751c",
    "signer": "0xfceB120FA01178F9afaB268933A42ba9318e4311",
    "userId": "936586682"
  }
}