{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50672",
    "entityType": "User",
    "nonce": "0xf5610c57da88b01ce478cc1bf23262f504811c19b6a9bf443021f27f9994f425",
    "signature": "0x40ab69bca23f6e1f67e0b9a875b59888ae377900d7d2bd5f543c1071bdcfb79b6c308925b563da88aaed52185deed9ea6ffef645575937e8dc651b70084daded1b",
    "signer": "0x27ae790B7aAcA244c689df0FE958D5431f1e4861",
    "userId": "669640444"
  }
}