{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "683603239",
    "entityType": "User",
    "nonce": "0xae484d327fc77b2553ba9f6b32d1d4ff5bb89dbc071b0908370c409c17cf88ec",
    "signature": "0xe699777ba19161fe15cba1fbda55630d217ca7247872e50971d7927ed2a775223d650a2672ac98a84b5bd833f6aa351d3b55d90bb767ccfc91cd2ae479c9333d1b",
    "signer": "0xd85E4A094e4C057572A9D525C9737051A17ab609",
    "userId": "696716320"
  }
}