{
  "manageEntity": {
    "action": "Update",
    "entityId": "25479888",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xd8ad3d2afee227ee31948a553b209fd21462f06b5c3ebb17d9d5b56d9420301e",
    "signature": "0x4120a8ee3f7365926b3c56ab37d53eeebcb77c174b89964f2d5f5b6c87722698375a92a7f1503a03c02038a73cc17075406a78110a719d4d31924ba3957792c61b",
    "signer": "0x2Be8ea3420BB2d906154e74D87e5f73c9aB081D5",
    "userId": "25479888"
  }
}