{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78335",
    "entityType": "User",
    "nonce": "0xdd19e2999c5f11e269f747f50bcd65018175f3b23a9fc4803e586e6f28ea1684",
    "signature": "0xaccaba97a030dbebcc3b2c6d7c8154831f3902470747448d092048788b3f285b76a5488b17bc5883c5bb7abe326c9c41529efa4a8c3a7ccb6bdb9fd0570d324d1c",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}