{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "120328011",
    "entityType": "User",
    "nonce": "0x6413a95c59e081c06ae230e7f2c5f4e5517819b610319b2cd7d6459956f0d8ac",
    "signature": "0xacc45813a4be0ac73318d50fece277a4b170eb7da28a67d8f86f30f75649703878aa211166d4240c9715fa78049a7af3e0e8639cd19d2ee0766fc1eac42475d21b",
    "signer": "0x8097f7562D3D2F9cbdBA391c45c0D376E438625d",
    "userId": "51978829"
  }
}