{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xfe600e1c4e38e5a5e6266371745563ca228f004cd02d0ba9b1c779e7d0024474",
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}