{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "742786650",
    "entityType": "User",
    "nonce": "0x80ccc15c05020595b251df17a024fea250563edab4e305f8c8b988327a8d8688",
    "signature": "0xc1bbdb0dc13c367d629f1813647c29f0b1f0df8152e3b5cd5c6eb06bb9bd6933461ad3884c3f831394f9581edebf396384f9dbcdb78c18730ff1acc1a2f3a3931c",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}