{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xbc85281f31ecb4d3b7424f4ae85d90c7e736ad3e795c0a01f4f75782a94ae46f",
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}