{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4feaf2e5c9f87f66f8b3b243dac79d3de227a7c019d53fab581e80790dd9532e",
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}