{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x1c77b1bc165afd07bb1e5162e0a25f4e66b0b173fe086c8d5a55f6bbd2521ae1",
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}