{
  "manageEntity": {
    "action": "Update",
    "entityId": "279583906",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera2afiobnav5anbtdedz2o6tokv7ct3aizcbfrevuakcaibtythnqq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1127319445},{\"type\":\"playlist\",\"playlist_id\":685090946},{\"type\":\"playlist\",\"playlist_id\":68476160},{\"type\":\"playlist\",\"playlist_id\":772424828}]}}}",
    "nonce": "0xc5c0e16cfa61f30f61b914b5fc176abe25157f75acab6cefb7e59749afd99acc",
    "signature": "0xccacd23032c1fe329610f4777827854ca0f7ec3b40874bdb6b2fc96474132e002dec0e923aa2ea65f19b1d2ec4ce8ffc62c2b4ea522521925ea2ed50f79c447b1c",
    "signer": "0x832d36795a8f06654eC0F76AcEE0dfBa112223Ed",
    "userId": "279583906"
  }
}