{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x5ee2f934a8f915af6dcee6b9fbc7bf46811c90b2d03b54e0aa4bfdb68e7a6396",
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}