{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "267857902",
    "entityType": "User",
    "nonce": "0x3c6e54446d42ff1fe574f221e45752c81b49c684a2b91bf74ad7f257e5f96f24",
    "signature": "0x23a52687d227028a8e61693996e7dadf299e3370c9660c5944c75e319073a562024e85ad8cc1b8061f6f7ab7f43a6ef23879843ef0b4556de912cd913811580a1c",
    "signer": "0xF11F60bFb591E532d6E71E699ddfdfC58f377CA1",
    "userId": "458027684"
  }
}