{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x444707966e48ead82a05dccab8215462b5f49b9b048170603d4e586685655dc3",
    "signature": "0x76109445da1710d91d487da3a727fbedb40e7e9e85c9f5b7cabe095bb01868b72626f897a64b7937dafe5f4d1a65f8814df2a714e132d03053903e81c061744b1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}