{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "318682",
    "entityType": "User",
    "nonce": "0x9043e1bd7221dcd74c0b2b917f392cb12c7d4091a636c523f4c15fb15fa735aa",
    "signature": "0xe9771f5d42ee97bdee472099452d658c53e2bd998e871b95f7f5f5dcb623822043bcd0a218c86c746d2f0be101c4a7e0d57499dc632e92fda3af99e97a595abb1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}