{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x0fe0985f7f624adc8abdb5feb50cb5e3b8ffa3588a457fb8c508174afdd0e7e3",
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}