{
  "manageEntity": {
    "action": "Update",
    "entityId": "239357380",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieragcsgzzptar2ztrj2pmpmij55t4tzqttpmpto7agwqke6gzpkwtta\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1652918232},{\"type\":\"playlist\",\"playlist_id\":518186042},{\"type\":\"playlist\",\"playlist_id\":73563997},{\"type\":\"playlist\",\"playlist_id\":1686416588}]}}}",
    "nonce": "0x1cc8ac69682f9c0b8e610bbca33bf20936562a85b6a3c1c27fd4c088585199ab",
    "signature": "0xc7cf9e45a2c5ce8dd3ab4d7fcf737a2ab05911e9eca82c0660d6fd0e5f9ed6a248e98b48fc4e3574ce85ae34c9aac880ce2b0c0061494c876120d24e244530ba1b",
    "signer": "0x254254711908e79e218DF43AEED76fa8cd18d77B",
    "userId": "239357380"
  }
}