{
  "manageEntity": {
    "action": "Update",
    "entityId": "178678516",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierascmkyg7fpwr7g3bac7wiqdudio7oraij2eyniotgg4utsbdnmgjq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1182385288},{\"type\":\"playlist\",\"playlist_id\":1091249018},{\"type\":\"playlist\",\"playlist_id\":1355171953},{\"type\":\"playlist\",\"playlist_id\":1469774609},{\"type\":\"playlist\",\"playlist_id\":1854892007},{\"type\":\"playlist\",\"playlist_id\":919453828},{\"type\":\"playlist\",\"playlist_id\":1594708736},{\"type\":\"playlist\",\"playlist_id\":1539252864},{\"type\":\"playlist\",\"playlist_id\":2085753160}]}}}",
    "nonce": "0x3bb082b784bc8a2ecd005b80b904c47ae28c00a58f2935c1affc7d4c44e0ed0d",
    "signature": "0x1e7c7e140d5fd37a0fda779826f25b2fba6745bf696380f790bd3b06d214811a4f4368c30eb942817de0e14cd6d4f776fc2168159c4aee1c9d4997f742e4f13c1c",
    "signer": "0x9c0E158fd6a79ba8384938c72F34b5D765d2A9Df",
    "userId": "178678516"
  }
}