{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xaa27877efa4430b5f2cb4c44e3efad74154264cbc937550644128c4c9850ad6a",
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}