{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0xf1a6b71488cbfbfcfd6c803765aa234cb56bf04bb3c213e2d5ee6bab7fde92ac",
    "signature": "0x5447c3f140c267c8633a8ce393fd2fe90322a5223a002d988ffa8b499a385d8e45e194fd1311e2a29400e97c7559a62a31cd4955c6ab5ebf7b5436061ce1f15a1b",
    "signer": "0xede5a1527271aFb900714b8Faf61EE0714131C19",
    "userId": "329941643"
  }
}