{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "22660",
    "entityType": "User",
    "nonce": "0x140b618e3a57a916f9da0415e3f9288d017362be42a45f9f2c8ca2ffb371d089",
    "signature": "0x06fde04cf0f4f8fbc1f6f2e9bb1b7b3ded4a68e8c9996e80585094c9117db09d0dfe0621e4be4ca04f5946e0e69049dde480695e58f4073ac961045bfbe594d41c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}