{
  "manageEntity": {
    "action": "Update",
    "entityId": "267761681",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xadca17c15affdadbe0da8e5a184fd84af56940e32e582ce4a5e6b9def94b14a7",
    "signature": "0x2c1c018046de6d6260b0735d6d6a4740b6ae059795772d29e651a466f6cb133b13d0b8622a8d723bf73c583dc19a9ca999365164ec90cf560fb68cdd5ead183d1b",
    "signer": "0xbdC16680444F52661d79e5c862839ab73ab7DBe0",
    "userId": "267761681"
  }
}