{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x8645db26d12fe4602eaa4c62dc39cd77fe8c349f08d769c6b5fe2df9e93b8089",
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}