{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "69340",
    "entityType": "User",
    "nonce": "0xe89efaa9c1119d0e4388ff182512bf59340703e3bcee601262996b20e7cb4d4d",
    "signature": "0x88d64088e3f78c07cec6503b3ef4ed2ff2e878b323572c317ef091bfb3f7b53b35671baa7fd765cf541eee04e461fdb2bc8394b20956ddd9f0afc9172fb15bba1b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}