{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "765540152",
    "entityType": "User",
    "nonce": "0x3b03fe599940848d719a54df53ab21a9f5b32698b160adf23201214b2d072e55",
    "signature": "0x298ab7e19e601365884aff9602a1f6ac4af0eecd4b3215a484d7e94cbf90a2b528739348215c4639e1264320f657a675d00c29672e73b4188e5809e938f2f6531c",
    "signer": "0x03d3f4F23bc0B2806CE947E23114FE8Dbc6c36bC",
    "userId": "311554913"
  }
}