{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x73a0b869ce3e32d3f34fc4c8253cd69b83dcb9f47a8a6eca02da9fb29400a6a4",
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}