{
  "manageEntity": {
    "action": "Update",
    "entityId": "826721441",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieralshxwmppedipgbxvria33woiosg2lailxbfevp2a3lmnhvhw6qfa\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":90552403}]}}}",
    "nonce": "0x6bae89bcaa5dc470e3f09a1e501c1ba86787c3779980ec1c3e20b24ba5b5ee09",
    "signature": "0xd146d39ab9b26a9e0e4200d2947181d985884a6a3206156129e8f78e619447595f964bc5c7ed34b407cf30dc5fe297cf813a2ab5fcb7a5c2b1ba2c53abb83fcc1b",
    "signer": "0x88CC8bE8122a14236f1c4F378A655E1714e691Fa",
    "userId": "826721441"
  }
}