{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x68d6187bf5910f82cc4eb3792a795378cbc3a4f71a2818939620053f68e53481",
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}