{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x2468c76a88ea8556cc019b6d4c672a46eeba3033bb73c8fe836038ca6447bdc8",
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}