{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "176232909",
    "entityType": "User",
    "nonce": "0x3cfaacfba6523ae13879b42cb7649f3ba67cc9e3a727adda8061ca3d016ff19c",
    "signature": "0x227023b3d2b24cd1c153108d69551877b519317ccb2f207d1a53d2d16eb58f313ed4b27176fce24316d1085650a9d84baca5adc641c34a9de3598fd67d2523c41c",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}