{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "16460",
    "entityType": "User",
    "nonce": "0x0132270bea230aba03539f07d9b02fbc04c0777720fa6be267a989c5a15c4f56",
    "signature": "0x0727fc97bd5924fb9a36d9bc64c1ee590b62cc099b3b49e245f1654d9340735028cc135336ec321ddb28e9e97e1af11c3c50b517a61f29aada2ab660662c535f1b",
    "signer": "0xDCBa834070cc02e7e4bd536cD1644e43e6C941BD",
    "userId": "214528491"
  }
}