{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x55ebe5685933a37a9fd6c0dff8c0bb114697f4db192bc6923b97b0338ede1abc",
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}