{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "102006",
    "entityType": "User",
    "nonce": "0x90093ce0d863f12b8087c6e0332ae6c9564cf240c5422849b8dad60846a24907",
    "signature": "0x186143bd74129f24d9c9bb1576a79e423ac0911cdeffb422b9db5deb52ec60f341c4c87eac794bd63f7f93506dc138a193c0488944de8ced1bb68bba6ee2cba81b",
    "signer": "0xC90e14007305577f04e5F4f5542B2191bB2c7394",
    "userId": "1856608"
  }
}