{
  "manageEntity": {
    "action": "Save",
    "entityId": "40293",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x0f50e8d6ffdf943533745d169c4a521cf59e05b006453db435aa624f72f0986a",
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    "signer": "0x7A49b4225414DfE2D3601F6d5Eb10989dF756b1B",
    "userId": "505787434"
  }
}