{
  "manageEntity": {
    "action": "Update",
    "entityId": "760210977",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierasupqmk5isugp5g6lvztawso4ipkt6jfti5mjnh5ttlrnmwewi3ba\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":746521023},{\"type\":\"playlist\",\"playlist_id\":1763901623},{\"type\":\"playlist\",\"playlist_id\":875315421},{\"type\":\"playlist\",\"playlist_id\":1339640965},{\"type\":\"playlist\",\"playlist_id\":1080082417},{\"type\":\"playlist\",\"playlist_id\":1709104920},{\"type\":\"playlist\",\"playlist_id\":1174948974}]}}}",
    "nonce": "0xa1dfe3d5aefa08157ba5a0f926a2b4f41e86cb7dbb9c49aed6468a81a978c0d1",
    "signature": "0x02afac599bae8743da401898550879066871ea87b3d8b9db26de149229258ca9654fcce10fa4fd0093ef68e98d4fa20760346f82adef1e59b15960bbeb3803771b",
    "signer": "0xc6fE2AFf68aE5471ff43706AC6c9537252AEA2D1",
    "userId": "760210977"
  }
}