{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x612e96e7848ad9844e5be6008e8c3ac2547e138e4b0ab4bbf540544be9dff018",
    "signature": "0x4ba03d571af91aca0e72ac528b5a35b09316641d426c07629c9a57d7371254d65a7103c7af349509316669ddd3d510a1a38002a24ed95b52dd58910169e2a88d1b",
    "signer": "0xca8b57A302d2922033E00904F5b482FeC42AA407",
    "userId": "679787834"
  }
}