{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xcf9cc44ecd9ad62460b3821ed81fb6746707bf983e3fbf382b40943cd8667964",
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}