{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x230b8982c8ae4c940b2288c2f963a87ac0dc434a6e22623f1c31d26d4e7015b5",
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}