{
  "manageEntity": {
    "action": "Update",
    "entityId": "677067292",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xa92d9c23b1ba8b8327c8872eaa90075c9639454cfb61a7a6f7cedac7f1005670",
    "signature": "0x61ca8b8ec3f27f32654ed882f41a45214532904403d1f3d3739304ae9bf9eca97991ebd9cbb29f1962dd9d0859e2171fa25b88d56af547b86c5aeab1965fe36d1b",
    "signer": "0x7a05e171dF3C0116c2ccD40B8dcd0772E2ebf46F",
    "userId": "677067292"
  }
}