{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x3a885258924331cfab6c3f8dc3bd89f5b85437c21b64324a07df61716ee687d4",
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}