{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x64fe68a3cb90c45bdcfa269bb1f191f9aee5f2b9688835693c6f190e57731a84",
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}