{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "475979959",
    "entityType": "User",
    "nonce": "0x092b85ec33999ebe6cc2ef3082f0888c6804463332884c0eb621770d56d718cd",
    "signature": "0xac246bc4f88e3bbde9e521666635e822d81b6e638c1c5153b944371e3221a21f05a5f293cffb0afc799161f21f58908c269558b2a060ca40e1ec1628c3f97ff41b",
    "signer": "0x92ff18F46f3E7F4f450c570590f93f50E60a9925",
    "userId": "522564756"
  }
}