{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x7ed8b5c71474243d0170d233a127d7cdcc1c18cc6fcdc3c8cbe783c323ce3fe2",
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}