{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "713649918",
    "entityType": "User",
    "nonce": "0x9c1b07f493ed8c2a566713ef230bc4952c155db75ed6b60a99f0fb9c9f158050",
    "signature": "0x4da44c7653aa6219f8c3bf0d631129acb0ec44ebe9637dae38ee43bb54c15d6a73c681b6559835bb3ded8b08c8c7b9a7854392924e0b339f7293c307d11110f61b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}