{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "714646433",
    "entityType": "User",
    "nonce": "0x50bfa4e3b429cf91b3020ddcb86095d0ef857918c7d45542a6e41296a161339e",
    "signature": "0x9a0af2ffcba52546ae0bc00e05f84bbbb9ca4ebc1a47933914f816916379421663c0b6aca41cf104ee93184cd81719ca053586b9f6ebdb95fcc6c59e2c5d70071b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}