{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "83483639",
    "entityType": "User",
    "nonce": "0xd216e1db32a990483df931aa04da714e18ed525bd75b30f08585b9d312d0792d",
    "signature": "0xb0d4005dbcebe51e438469525e91c89181f31f242dbba2649769ef90adeb797d5940f9d5c3db89d5a67e8a77dc1ab7125dce7b8425356df0e30a71a6db64dc521b",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}