{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "390804",
    "entityType": "User",
    "nonce": "0xfd667e8de6315e3b3747b69d16450ad47c1032b65d4886503becaca7e765901a",
    "signature": "0xd2a80a7258691c1c02f35a22c91d59611f7e8b41260e8fff2cce22b0665ee3ab2a96c3973f524c75d1c8d2cae92eadfb7d4441bb9c56a81913e26804309bc3381b",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}