{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x01794fcfab63699a97f7322c20737dc9959e806bfa898164f69cbd7936782e11",
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  }
}