{
  "manageEntity": {
    "action": "Save",
    "entityId": "1389901417",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x11b221065dae4a3b953d5e85a1abc3f3b567a14eac83ebf0cdb8a4364045cbb0",
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}