{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x3b5e6de93b5350a4b75ab16b4dd900ce78c48b66479190ed645f0dd01f579444",
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}