{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xf4570ef7b8939853d92c0238ddc4d35e5a882cd039b892254d3527ee1b39c08a",
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}