{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x83a0bfec84f3f3f87958a736732fe06d4c5240b61f30b233cd7f71c62d8ae1d7",
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}