{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x0fa84babaad83160e88bf2b71b7d1cb09ba2c3b2c11d85e488035c96b2407ffe",
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}