{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "707342168",
    "entityType": "User",
    "nonce": "0x83ebfa857e1a3d9cd0f9666c7b49665ec4d66b6a823cc3a82b86696ae1b775ff",
    "signature": "0x0510de2bfc6940e6accea9ad073b317ca95c3f7f122edea3ea394637d2b5cb73191019b2c1edd6c3bcac8469e735c0274aaf2400b2f146ca4dd47a47ff0866571c",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}