{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x354f220b2555ac78cb501b96d6614f7e8197e632584a85e78fde9bffe1513b16",
    "signature": "0x9a1b6673edfde867925c767cf0ac5d66b8c1ff88b974b16a583a83ebd63fc84d5d9945b5e5b9b60536fef97c90210094745a960ce3ce87725774977b407140901c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}