{
  "manageEntity": {
    "action": "Update",
    "entityId": "204173585",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x452df91422ff0f6018a3d32cb5f5775649c62fc6ce9172fb030ff63fd42b7f80",
    "signature": "0x090294fe6316a4737047ce5cd15e8fe619e15d8f7de317f3e545bc77aa79e5ad55e368ee49bf05d41749561a05cc0a5ccd2c212cb6b14a971f645a99d65fa74f1b",
    "signer": "0x4fE520b9aC7D8Cb3c9b6929f53A46d3b52aBbF7A",
    "userId": "204173585"
  }
}