{
  "manageEntity": {
    "action": "Update",
    "entityId": "930737161",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x91fc9d4af2ab2dd85a9b416aa2240257f7a143499885f0bd2a47b361eb84f196",
    "signature": "0xdf411f47752b328a80d245aef66ca80fba02c55ed9306a5cf79189fc0d8bdd066bed54208dd253cd3880f9d6aac73559ee27f4cfa0eba190853c55e697591df11c",
    "signer": "0x7BDF2DAEDe0DfF3bC90d45aF455494685bb61Ac8",
    "userId": "930737161"
  }
}