{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9f6fd618acd82c9fce51b475c0b66232c985e87b0de31c874ccbe45129aa0f4e",
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}