{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x22043a8d37d7527238ea424a64ae46709a2712a7faa03fe5444a21bef72c17c8",
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}