{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0x750d6f2f9baf62158a29f9e376ef4dc5f35aeacbd91a46f5fcc01b3560c13381",
    "signature": "0x332a92da9d71a42ee4fbf255260dc5696520efd73c08e21c2d6d9d8b106bcc12715a3ef9f1a53b79cd994a88f7a44ad0f5d7264a2d0a28d925e92c229e8f5a6e1b",
    "signer": "0xCFa936e48986529856De5845C272EDb89839b5d5",
    "userId": "900195610"
  }
}