{
  "manageEntity": {
    "action": "Update",
    "entityId": "408164008",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xed592a14521680cd362dc3818664685ec5a477f72fa7beab4dfe509314397f1d",
    "signature": "0xedeadffad5b216d88c648e243fa1ccf817ede417d8d2bd4b23a83ca3cf9ce79b148632653e2de7d6f9d8f20d98d1e8874888efd0f9110085093ddf43c33b0df41c",
    "signer": "0x5Abd987043421674d602889e59Dd88Ef78bd2f5B",
    "userId": "408164008"
  }
}