{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "386058",
    "entityType": "User",
    "nonce": "0x797abf9670a2cea0c0b81808f7e503ee4a45a9129bc2e3b81cbd4a025dff2384",
    "signature": "0xbf209a457a0d8a5db19d09b83b181516dd2bc1f0b967e2a6740b61d5d3d3aa65295d5e38615abfbd7d4189828f51ba4e3b317c32c8438c4e1cf107d3a7d5da581c",
    "signer": "0xA5594f75935B53086a8f3231b314C131605FEDA6",
    "userId": "140185425"
  }
}