{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "401245662",
    "entityType": "User",
    "nonce": "0x67b5c0b085a3d723e5137562cb692cee489f9643c835dacbb1d5b56b90bdf876",
    "signature": "0xc8f642d41c4f3201701f38681ef93ed4c27fbd315451ca575bd39eb5922a6b650e5ce39c3b328d5b22ea6929cd438b6ed29a896d5ae562f39665d578b68e8fc81c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}