{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "965708335",
    "entityType": "User",
    "nonce": "0x90a2191df2db3e80146ae68e8478a0051c876f2ac79b85119970db47379b8f23",
    "signature": "0xdd72a6188ac0299cce221538c8ba7074f832b134139eb466448fdb34a0efb11c7a718dc972c9aeda53bc578998d7d122bf365f9c44449fb75bb2106d23f31e8e1c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}