{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xbe530aa9c3e4a9bde8d8fc9f202d9daa04af5ca31600fe1bb0422721f1ca740b",
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}