{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x35690d416ed6f86e12c4134f52c86f22599e521d4e51d3a5b8e214644ec7d5cc",
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}