{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "13540",
    "entityType": "User",
    "nonce": "0xe46fa488acf66502b3823d10b7a2a269573fe9b8026f5feb33592747c094d59c",
    "signature": "0x56b27e764ee7981c2d474be6378e30571b9ae6971b713431574a75566bf5c25d2e9cf1256e9b05bce1ae1dfbb05cc2f5c96d7907232c0e4b61574b5e08876bf21c",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}