{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0x8b3fff4d94f227572f9d99284ed2ef2f7d4c530643aa97d5827caca764f7810f",
    "signature": "0x6d8ac6b6a1605e4b1fe37de8340417211e8c794a668aa178000e4520377fa7873d94137db8bb65b2637bed60f89c036727e6597490d4fd90108e8404e77660ae1b",
    "signer": "0x4d6701aee41cF386F0f1Dc360F47F200983c6c62",
    "userId": "454478631"
  }
}