{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x97c48a492547205de2d009d7b9813f5fcfd74d63980be84b6948e549e70e982d",
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}