{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7821",
    "entityType": "User",
    "nonce": "0xd59fbdbd397d584862e1f41af204c76156fd6594616a3da3119c99edace22d93",
    "signature": "0xb7518fefdc55d672049785c62a02089723e8e5af1fee459304c706eabface8b54b86f62b40c1e56a512aaf16d6bc39b88314826824ebf348c4ec4fba2df2d1fe1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}