{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "83596",
    "entityType": "User",
    "nonce": "0xf2fb270196b9db99192e696cbd432120ac900d154ddbdaeda2cc31bac57756d4",
    "signature": "0x916319fced0f82558c00c394119729b1bbba7b5a45651aee74e0a39b50b5cb2f356bc9653cc11acf44201d6e54e9b0d95c18add26ac171f790fc784e382ed8901b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}