{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "40790",
    "entityType": "User",
    "nonce": "0x1cdf0cf794ec405c41f9e57b42725fd06de725e4899c8db146740271ebac5197",
    "signature": "0x55941ef8ca00436b4737900013d13497324f839a37cf0d988f39d4b365e7525606a27b93e3ee210166fbe0fd77f755903e5bbd70b0682386afa6cf90446efbf71b",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}