{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "384009",
    "entityType": "User",
    "nonce": "0x3b8a72c8ee64769ac27287ec820cb81cb60b40b376b695e0242e6ec11c366543",
    "signature": "0x5e7e1f5367406042399e37c236104add536a953b3c5d51adc089111200b48b60045700601cbd1dd04b5e3c061e29b827ea6d424ff9869eaa8ae2750b0d0b0c291b",
    "signer": "0x38fE84AeC0145aaE42281feA32CeAb12cEed1Dc7",
    "userId": "853425158"
  }
}