{
  "manageEntity": {
    "action": "Update",
    "entityId": "353032",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierakfeeeqbtx7aezopo5hf4z53roagpj3xvmpwxrf3cw4smdc5z5geq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":85077},{\"type\":\"playlist\",\"playlist_id\":84621}]}}}",
    "nonce": "0x447429671de5353797ef050d921d1868b7a895334670d2e1f5b6c3c9b2ebc1aa",
    "signature": "0xffcbc93e647ed569164dee2e3a9617f071cde1e2b5a5c96648cc8f78a6e3007829eccb0a04e08f5d052576f20648d16d22351b86615ad3c483ee4c50d4df2cb31c",
    "signer": "0x5b39635D4af7378EB9F098eAB55C0f9f37e35B3a",
    "userId": "353032"
  }
}