{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x15aa6f18c8176475777d0ceefd7cd2d224ed7e7bb3d6aaefcea37ea8112cf060",
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}