{
  "manageEntity": {
    "action": "Update",
    "entityId": "724962043",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xc344ab5c20dd945e7700812fc1fbd613321ffb596d739e5054fbf5dc1919d531",
    "signature": "0x1816e5a2d49c2779a1e740af7b24b8616b82385eac6411bb06d358f53923f8b71fdf4d6baff6e65dbc7451922d7a247e4180b38d8572a821d1941b2bdd48cb961b",
    "signer": "0x7c8e046dd564f995b682A57C7ce10AD1AA6c2F72",
    "userId": "724962043"
  }
}