{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "374065034",
    "entityType": "User",
    "nonce": "0xfdee816fa5fa3c0f0ac86cd7f31f7c2b5eb329b498ef49d0ac0c6155b7665317",
    "signature": "0xe2041d85ab0e3a1062b7af39d3ab1790dfed0bc9ea5df16e5934f1b9fac230da5839588e051d35cd4d89d2991d9305861a8d6030a2d92ab039c34cf0e1c576c91b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}