{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa7fd925c9161c928e10eb1d8fb0ccbbd2c88d8b0db78a08dc6668cd6160a2816",
    "signature": "0x7afcdbc09c64585e0472322e4ec6dcb57ef4deed21140b08b9fca36fd2f92f8009ae72b80f99652853f79012a08814c5ac8b57566d9546b9473a287f71c04dde1c",
    "signer": "0x6Ee7842A432b779E1Bf51F27B824fe86161cee6c",
    "userId": "408407824"
  }
}