{
  "manageEntity": {
    "action": "Update",
    "entityId": "569202441",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieramkz7c2zxbdeweuxp7qx7rzctougvafn2hnxyasgodlvvxr5zqrca\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1714480436},{\"type\":\"playlist\",\"playlist_id\":1020340546},{\"type\":\"playlist\",\"playlist_id\":1649087470}]}}}",
    "nonce": "0xb716bd504a96ef3fe5c024116bab87a0790c78545a92ba444acb24991efd848c",
    "signature": "0xa8ffe0da5c2f375533a6455d469d4e8cd828e644bec2f0ac74b0d32242f58d9c074ce73c666723df44ddfe7adeae85320454b107f9e0049f0bb18788b52ec3f11b",
    "signer": "0x96C8508FdF955f401b16FF7fA98270FDAc374Cd8",
    "userId": "569202441"
  }
}