{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "74222",
    "entityType": "User",
    "nonce": "0x2366a9a114d8fe35987a8183b9a428020435d92587bbf110a544e97fa0098eee",
    "signature": "0xbf5cbdf81de08987fc8708b13f41cf256457b7c8e20280bd8a1ec94b720eacbb4728c9a7dbc2e338d766bf1f546181468409aef6db08e294a608af6ec14def831b",
    "signer": "0x8034D591D4CA0231Ce46B64D37bdf415E4BEd4c4",
    "userId": "47471151"
  }
}