{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa67c51ca4a089f126f47ab4562d5138e3ab59fb9123073ce28887854e6679ae4",
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}