{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4f32a25696a48b93b693dfcb5536a59dc38aff5ff3b2d31ed85893ee6f6d7277",
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}