{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1460",
    "entityType": "User",
    "nonce": "0xeef3565dc155646df36172483b91a0296beb7d1fb1ab700ed76017f4b77cc441",
    "signature": "0x2fe4dfcd023559bd9ed5c62c9fcf108ba8932a2acffdfa767496df58647088493b3df25cc59a1093c5e89c67eebd50afca4b0f65da970cab7a5b072d38012cdf1c",
    "signer": "0x70198A93751A42B30b73B4b84803dc6Fe67290C3",
    "userId": "37067745"
  }
}