{
  "manageEntity": {
    "action": "Update",
    "entityId": "838845372",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraqyithci66beoucwzwo4ml3q5kzmyyn46bwzwgi7c35y4rkrgxtma\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":305158404},{\"type\":\"playlist\",\"playlist_id\":1354732659},{\"type\":\"playlist\",\"playlist_id\":957280129},{\"type\":\"playlist\",\"playlist_id\":1677726075}]}}}",
    "nonce": "0x9cedc1f2b94801c9a8a43260f6b57345e901e4d2ea04bf23e55819cdd49c8429",
    "signature": "0x0b2f016cc5a60b6e3358dadad640fb42af278a444df9b6945c15896c5378daeb42ac66d0cf46d4aefb21fcfdd4c61b5f6f3be882bb823698b099616ea07e25331b",
    "signer": "0xd3D7e58C92d4bbB0dAE40C464B950A56DF802BDF",
    "userId": "838845372"
  }
}