{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "19702",
    "entityType": "User",
    "nonce": "0xccd9c4533417e784e9f003de8d6347c7da475460111411bf3a9c940527eb0988",
    "signature": "0x5731afc17a618a5cf769e119224ea809017083203a20ab71a310c8fe5dc009043db017c310559e9dcf639108ce1ff2f806e6ffb356ae52b8cff93788a3e427481b",
    "signer": "0xC965eCf215DC75172bD11e8E1dbE76EDd838886e",
    "userId": "260849"
  }
}