{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "714646433",
    "entityType": "User",
    "nonce": "0x5ac289a34f87b81425db37af83bac569f086bfea75cd9034a9644419c86c2377",
    "signature": "0x2ab3a686830dac48fd97d637e0c2675854be2d69c121a79105a3c4702f616c5454f14c3831d22bdc1c8e42eda66f11e8c684c0084751902ac257d6a8c274d7c21c",
    "signer": "0x344Cc6Cd6326A3Fc46e2f789e02111af483Df673",
    "userId": "980331"
  }
}