{
  "manageEntity": {
    "action": "Update",
    "entityId": "968065357",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x426c0bbae7ef45353969e5ad8e26138ed9e4ebd2c04d0aa06cdb2910a78b2b9e",
    "signature": "0x3470937f0e665a51f1842fd9d087566ed958faa1a8e2e2fb5a8a487ffcce304446e58cb1136d956b75403e51b64c87731bd2eba86cf9402e5e59fbbf847d995b1b",
    "signer": "0x6B723e19B91cA3B374BAC303B9eEe2157AB4B700",
    "userId": "968065357"
  }
}