{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50936",
    "entityType": "User",
    "nonce": "0x952274778dccbf431e64c0da1fa321e205b5a984f21653f03a38c811789b2a57",
    "signature": "0xc2a173557efdfdd332a5017ef4b2ad6370f9cafed012e069879d04be57aa40b34879541c161409cf1a5cdc9113d43dd28e120e386b52b43efa01686d2ae333211b",
    "signer": "0xaF260D56498a2d61b204aBc5CAdCbEc98465d11b",
    "userId": "219894195"
  }
}