{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28561",
    "entityType": "User",
    "nonce": "0x1ecdfbb056a37d8e0212e5dac6567750c3ce6cf2b97880d8459dffdec16b0f3e",
    "signature": "0xb8f06482e6c498c15d47adeb017ebe603831e93b4083c68d095295e8fdbed82a3c7478ef0a947b77ff39f9f95f93c580a8663256b96a774d7c18f986cfda4d081b",
    "signer": "0x26Feee0AaDc0e2d8f7aBEd5cdb0bCD7D325F618d",
    "userId": "354535"
  }
}