{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x23f8bdfa8a2f2e5e9caa5a22e942871d66433a624a9474c60e803d49ff5e7744",
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}