{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x122e6020fb2b4f3d93c7d89d5b7e450a0fd3cea9de31cd25942e49f4edc040ec",
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}