{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "735193414",
    "entityType": "User",
    "nonce": "0xcdb45dc12f096170f1d2a7f013c1eea030ce0c2c40865163fede31be1e0b67f3",
    "signature": "0xd1b5f52830767a9f7a0f881638354f503734693333b7e3def4a0d0b501d715317837e40e3e274bf33b8ecbfc650d5bbe00a76ad3fb2e3ddc7519e13fd0dabdc81b",
    "signer": "0x9765cbE8e26a2c6c4847C1B69ABeB0B5250EC254",
    "userId": "678556080"
  }
}