{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xdf5fa5f0f5b79e705ff5b09bcb5bd0966b2d8ea64eddb726887ddd81b4a3a4c3",
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}