{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "709077025",
    "entityType": "User",
    "nonce": "0x7f62411eb327a6e1736ac4dad9fffb4e6bf33e82719896b4060f3b6bdaadf048",
    "signature": "0xf4965e78eba99e782b3b86ba001868c2cfe87f6b828a799d280f6e86cd408ba179ca640cedaf9db54fa9c0827829303a236433a6326a4f04cb5426dcd3404f341b",
    "signer": "0x28E33991512111134d5d0a41560151532083B312",
    "userId": "9962"
  }
}