{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xb4e0a80b06bb8bfe39358a4f2ce6a57a0571dca97b97e7946ec118eb4e66960b",
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}