{
  "manageEntity": {
    "action": "Update",
    "entityId": "925319368",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xf5aabe79bac36e16cac781369342f26fe90d5a05f9305ab9624639994e7f3dfa",
    "signature": "0xb35c82767fa4ade4240c5c260394e71146d46f64ec35b7a19c8a4534b9db373f50c08a02c547f1295e4fc83c8196d74fc88beb9fc88826be349b70b5f7707c241b",
    "signer": "0xd20b19CE82F9bfB4dcc723d21e6Cd8b2ff82C4C8",
    "userId": "925319368"
  }
}