{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "298733",
    "entityType": "User",
    "nonce": "0x6c0922592bbd5247c5edb46b3945e9c3e4064a490e4c378f6fe27f901d802b48",
    "signature": "0xb514c968ac8879ca1b7d3c3d0ca8ae142febd40577bb8efcce673406710bf26530ca0120e9408621677fe3bd5f433e394bfe86d2ff434ff07ecc4e12061907531b",
    "signer": "0xAaC77705f5f6bd787D8581c36Ddaf7c0c7AE3370",
    "userId": "827420993"
  }
}