{
  "manageEntity": {
    "action": "Save",
    "entityId": "478445634",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x30324ad5d71da9c516d26fe681cec3f5592be309d9423e6783f8a4466c28e395",
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}