{
  "manageEntity": {
    "action": "Update",
    "entityId": "923491580",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x0aec8bcafd6d008a877402028022dbb0533f93fc57a4b2cbe77c5883fbb6488e",
    "signature": "0x6dc8d0b60cd9a6052b5300a12a59c960080bf76e5a2327a41b787be3207eadd900e5da9408e0ef0dff69b2a82114af7423c62ad8144465c1bae54c586749a27e1b",
    "signer": "0xeF20529920bc4b674177449D3D79C43C5438B92c",
    "userId": "923491580"
  }
}