{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x2ad2e2dc48e85568e3b4bef9bf122bb20a630592a65e14cbcf1211bad0e32a13",
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}