{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "281227",
    "entityType": "User",
    "nonce": "0x96924872c840021e4512c260d43f9da833b8ddfa1806de5a7d35bdd51695a957",
    "signature": "0xc5db84b37f140e14c17e7d8e0b02cc099691bfaa87e2045f19a5bc2e50f553952b169f701b67cfca7332f78985291ccdca7f52405e2943c4eba741ed704b83b81b",
    "signer": "0xa3C91a44f620f0b95468bEC359f89edb95AE3cdC",
    "userId": "904405512"
  }
}