{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0x23bc8563ab39958d9764896321de9610ce936f8e2f4cafc976800b809aec82c8",
    "signature": "0x71a33bc782b9a0ba1b7872dbf35ce0ca33ae764e0c06faa8c71d53bf03dfa70a7d122838480c247f579cf491de2c577c64234b6ce20e53d7c8513174f10d1bc51b",
    "signer": "0xa994b8dF5782f9A03370955CD9107820F30cD6Ca",
    "userId": "283342965"
  }
}