{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "125992",
    "entityType": "User",
    "nonce": "0xb88b58508ac9c0071bcc0fec233f43c9f6c73c7912bf19a0cc0517176a5eb876",
    "signature": "0xad2ba2a8a88484ba679eafb032bc6d1e7dd3df0c410df4a1ef4964789b4ea4be56c68726deea41417ffe47425523cfd94df3bee7e2a45e466ac6f2a53c9d6e2f1b",
    "signer": "0xC965eCf215DC75172bD11e8E1dbE76EDd838886e",
    "userId": "260849"
  }
}