{
  "manageEntity": {
    "action": "Update",
    "entityId": "419279596",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xbee150413dbf07689b9bd221a453081c4390c019239bbabe1630a9d8a057f8cd",
    "signature": "0x388e91545d7caf5b3bb522917a4ba0151a01bfbe2297b470c566a184672d3091573deec4862da414574169c847e6df9c59f871cd40edf4cb8f21bd7574fd9aa71c",
    "signer": "0x2c2058A73BD944840D7B237Cbf52386B5831b70f",
    "userId": "419279596"
  }
}