{
  "manageEntity": {
    "action": "Update",
    "entityId": "232444314",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x809e8303faeef69d4dc2163de1d12e887c6e5c7c62f33d20648d558be4ec295a",
    "signature": "0x89c13665beaa2dd31bd82c9daea70e570a7aa9b5c98a5cc59a27076bd17d572354067ef54509a5ac2bdda0f5f170dc4b05aa062eb7cfb535c941d87bf49d93611b",
    "signer": "0x5BAc9D57712D346870290a6Aa9Abb706a8AeC757",
    "userId": "232444314"
  }
}