{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x862e231a98b23d7d5b5c5bae98d9768a276b0621343003960ae6ca7ad6fd4ef4",
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}