{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "30263",
    "entityType": "User",
    "nonce": "0x16f67b023e3e6bc500f9a78c8abf5dc100926a8a33243ee917c9fec7664a870f",
    "signature": "0x634d75cabb5f4e4a206e33a32ecadeee66d5f3ce503c000c3ca1a50a449ee97b3fcd5887aad88303447a72f6505b9a8ba2c88b194fd459185afd765d7b33eafb1b",
    "signer": "0x6Ee7842A432b779E1Bf51F27B824fe86161cee6c",
    "userId": "408407824"
  }
}