{
  "manageEntity": {
    "action": "Update",
    "entityId": "284052510",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xbadef28dee1b29888fe10d557495faded5e347ce228004dd5628ee1fec2633a7",
    "signature": "0x29d0c011a398d2319406f3c208082b6ac160a592b4292df92366a3410114d72e50f9376abd2f773a4eada7402b576bf60175eef94b8ea23eb06988c48936bccb1b",
    "signer": "0x5D6aA75D1AF97D85776B61F02b335AEe91Cc2F5f",
    "userId": "284052510"
  }
}