{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "657238987",
    "entityType": "User",
    "nonce": "0x4fdacc925434d992c49c9c149fb2a2129bf7a120e63b211315c0d6fb46e19da5",
    "signature": "0xf88534e20845e0dec01f532ee79a612da513464b3dc251b579299b5488675e126aac440ba6c53e3ed36fbdd98719adf6856a9abf721ce1838c5b7c9ec90800721b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}