{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "39813",
    "entityType": "User",
    "nonce": "0x3a38a4352d23968c33265a44b3a72ccba24f97ad75e454a99c1a88e9b13911cf",
    "signature": "0x9279f261ed95999f34f04a9ac188bc78af382879f9da0acb25c6cd61ac7891b45f7d4d8c6146be2ffa6232d43a7219ce7f86f9f493ae42afdb9225c24cc3241b1b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}