{
  "manageEntity": {
    "action": "Update",
    "entityId": "460428391",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xa8b48f4a0a3ac57cf0ace6a42941184c148b716cb65aa309bb674713a4ec5e12",
    "signature": "0xc9cbfda8a89aa8c6c4658f70cb268ab945bfe3a0a4a2c7c983d8a030ddecee154321635112a983b06f8e182cfc6a1998a6953faa4563cbc16616dca6555841921b",
    "signer": "0x8E1ce6Aa9262adA38A31947BF007a8D8358113C7",
    "userId": "460428391"
  }
}