{
  "manageEntity": {
    "action": "Update",
    "entityId": "525334885",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierac2fn3li2zyt7fp3vtkkpaqwgvc4ssaije25oafjkzwfr7ooqncuq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1157401144},{\"type\":\"playlist\",\"playlist_id\":2075794000},{\"type\":\"playlist\",\"playlist_id\":218500594},{\"type\":\"playlist\",\"playlist_id\":1224797322},{\"type\":\"playlist\",\"playlist_id\":480110883},{\"type\":\"playlist\",\"playlist_id\":1602151386},{\"type\":\"playlist\",\"playlist_id\":2136522205},{\"type\":\"playlist\",\"playlist_id\":365197773},{\"type\":\"playlist\",\"playlist_id\":1995439432},{\"type\":\"playlist\",\"playlist_id\":1981220877}]}}}",
    "nonce": "0xe431265de54e085b71e035667bfde2d6967a430c3af17a1840a1e196cc88d902",
    "signature": "0x8977d4fed8a869b1cf77ef9bbea3f912d95a9e4527d86eb85d124c51e84ac787448a15b53149b75fd0e4c83a7609116503aa5bbd4327e28c3be1981770543a031c",
    "signer": "0x1E097836b696E63387992B7402dCcEF7842F477a",
    "userId": "525334885"
  }
}