{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xc4e875c469197d0c7eaacbfccbb106dc2b6250344a8a6fab9799cd1a09c57c7a",
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}