{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x39e77ae8e930eb9532e1f497308c49c742d95e58ad45285ed3de61b1d618b5be",
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}