{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xc6e2358dacee4d570a4427d9a97f0c87fbc2309f605bd2701b747148fe6a1cd6",
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}