{
  "manageEntity": {
    "action": "Update",
    "entityId": "117638061",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraxg75yfludzri5qjlrdiu72gnj7crgeuk3qjoksbz3hhdyihqsucq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":101336899},{\"type\":\"playlist\",\"playlist_id\":2079219536}]}}}",
    "nonce": "0x1ab5a07e438b33e507b1ae6f232a05e32adf4829b49b50b2a939741af1bfc507",
    "signature": "0x60a8851c226fd7649a7bdd45122eb3425c1ba76a924e5b56941763c6defba0a81104933d1c8b8e20bf4e00eb53fd566963313181a4890c57f84d74c7b16329fb1c",
    "signer": "0xE7Fc610afe51483AF4fB8fb5F981AC5843548D77",
    "userId": "117638061"
  }
}