{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x05d1aa3f822d490389e593d5248b0e2de54bf998f3d65d5823537a267028dbca",
    "signature": "0x49d05d4f8136506580e48543d00845891cc2ad7aa645a2f284d4d8598443202b193d0f7c42e819a818eb12221eff85f80e27b0d6df270969071c45471dfc85481c",
    "signer": "0x382952b494F28f5234f1B305Ab0c87f83703A8A9",
    "userId": "892246728"
  }
}