{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65547",
    "entityType": "User",
    "nonce": "0xc8b085d5c7f694c3050f8ce01097055f29d3950c509723e1a235425b416cd2fd",
    "signature": "0x7aeab69381009f1b66cb43a80f10ad96f18789c06a90ba7b52639d7793b9119f4cea01604c2897f020cfe273cad3d1e36044fe01392372a6007428579fab1e901c",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}