{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x8bc90d74452153261c2f2481f588f61cf5a75e60ccb0b53872728a19c84367a1",
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}