{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x104415c5aa9c1293271449e04ef3e693da72a959ed7457a6b63d70a53f6a8bb3",
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}