{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x62ba67cda644d75fff32120afa5890019a48fb350cf9da0bed55f2a6b74fc058",
    "signature": "0x021f0e3b90215586327187a9ee2f08bd333508dd219d206d6d26f49d9206e87b50c98e82d85c5bf5da5bc2ce9cbdfe9240bcb5b14364906c7d6f1cce2e4155cb1b",
    "signer": "0x126c14BaE0a6a880D9f803b82823727E52213886",
    "userId": "976732389"
  }
}