{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1422295",
    "entityType": "User",
    "nonce": "0x08599659bd0bef96067a57355dcd7b86c616f74df03f5f646711a86f7119d5c7",
    "signature": "0xfb4f9689e19add2442187b45e3fdd75542ec5932464b569e2e99a134469794a45afe7c41170ca25cdc7c165f5f0e424b337b297531cefdf90391984d62fde0cc1c",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}