{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1713713",
    "entityType": "User",
    "nonce": "0x14b7ddf4993a44856b3fc63620980a1294a91f10cb560ca0bf2c7f6b13725319",
    "signature": "0x7d86434773b7b44c35753b71fc9cbd8ef768ada2c04d508a164b798e971924051ae0f55b20ba43c626d482532044d1489b8aa727a8ace7975bc459e31d3acc281b",
    "signer": "0x742Fff9be20F80Ce7285c8Ab12B9018Ef3Cf14F0",
    "userId": "111467392"
  }
}