{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xb46593b0cc92403b6b6932a0d7f4219b60af2c9cad44d49d43df74dbb1db5534",
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  }
}