{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "64159186",
    "entityType": "User",
    "nonce": "0x6787bb9e29a0df3e69c112e35473a7e2cea1c3f0de4ab10945aac02e26117a5e",
    "signature": "0x9f5734607eb3df8caf10d28f9586b3912c9a17392c4bd5b75bf99d44cee7f53b397b257f35bf5f7c804d1510232544c2e80885cacb32410e9912141919738fbc1c",
    "signer": "0x92ff18F46f3E7F4f450c570590f93f50E60a9925",
    "userId": "522564756"
  }
}