{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117994",
    "entityType": "User",
    "nonce": "0xb14dfeefabd85ef0e4e73665e18d42ca99c33afbeec40bd8a0666c74a5efd24d",
    "signature": "0xa4835b7cc0953816002c587d65bfdc8461ad8bd68b9962e6e9bf5b2f397aeda30e6782604cf876fb5941f9cd9739fdefaeaf3b2a40a149cdbb9bc339a5165af21b",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}