{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xd719c7d2236905415b2d3cf01766c43392ebf1297603642a58110136ef814b35",
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    "userId": "305528134"
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}