{
  "manageEntity": {
    "action": "Update",
    "entityId": "306008852",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieramjozs32wxjr66gtvsrl3fft7bhtll7v2nvpantkyufuaij6jxzjq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":104806433},{\"type\":\"playlist\",\"playlist_id\":629190229},{\"type\":\"playlist\",\"playlist_id\":1785821809},{\"type\":\"playlist\",\"playlist_id\":760944317},{\"type\":\"playlist\",\"playlist_id\":2035}]}}}",
    "nonce": "0x6a2b53d9352e4063bd29294914f8d9526c08daddc77f69c1502d1e6d2b4d13db",
    "signature": "0x44f53f19c61252d31f092ae9634ec301f345b5e057b9c832c2468cfb0b36f9c038b2a1a793ef4c6ccdb95d416097247cef7e1f255ff102b5f29bce6e76b436df1c",
    "signer": "0xE5095013A3fC4cF11919998DBcCFC0Ae84D32963",
    "userId": "306008852"
  }
}