{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x02b5bf18b415414e7294fce000da40d65926e0f8a9ce695c5b1b3ddd19788d93",
    "signature": "0x8adb640f371236b9c2585226a81babad76e36e37fbe45b8dfac5d8bac2842bc05fa8575ae97cd97cfc9655746d6631bdefb1b0063cdb2a925958708e937e183b1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}