{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xeb7feb04ac4e30c8bb12002a39e0c1558b9b17a40305eaeac89b4a049d1e387a",
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}