{
  "manageEntity": {
    "action": "Save",
    "entityId": "131939",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x83f7de745393b9228faafacae56602c8f07f6cf9abe78f858a69b954581526a3",
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    "signer": "0x26Feee0AaDc0e2d8f7aBEd5cdb0bCD7D325F618d",
    "userId": "354535"
  }
}