{
  "manageEntity": {
    "action": "Update",
    "entityId": "154085595",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xcaad425ebdb1ac82d0b44a284d28762a5e74f3c51cb975235ea1f5e1d8c152d6",
    "signature": "0x47fad9f703f95102fb2218749047227a7644b29245a772d9b6ea00d1a5220af956d9cba28b4319d5d04316ff56511f11c23cf2740a84c72ca9ef409bbeebfb8b1c",
    "signer": "0x5b8BFea922d3E94c01D9b58040d1Cb4E8BE244EF",
    "userId": "154085595"
  }
}