{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x6aed2c2223ea0ea67ff0b2b2d6bc87f6d3350793fc3c4982a7aacf2240300c06",
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}