{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "372056",
    "entityType": "User",
    "nonce": "0x0ef03742bd46ec6e06199a9a79493d69d0ae3474ccefe4ece6f531c29a1443ec",
    "signature": "0x2cab22a368bb3e775560e7346eb33b88cd3cf04b097fe854f9f9f12e818c2cd336462d6964426d59c77d9344fdeffdda04044c209030915e25e1f0b9f830d65d1b",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}