{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "533900935",
    "entityType": "User",
    "nonce": "0x7cdc40a4f693e403cf362ef5a33e935e618c20cb2f07ee8f920b07aecdafc673",
    "signature": "0x32c2b7a34f5b7e1174090e6b49bbd796735e93f025e8c42f800b767753c5bedb201b86d1591dc15340fca6d162708405b404fc20dbbb796d9567a3070c1a45ea1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}