{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4ad9bfc3a7b005d424aecd81bb0b6e6aed2dda6aaf56181cf476d50f5681ffb8",
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}