{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "389332140",
    "entityType": "User",
    "nonce": "0x9bb66dd370f867fb728840dd8bd86212c59b19d3d0bd58d41e2e412bfc33abfa",
    "signature": "0x8b908a0c3d3c1500e949fa997c328391800de347ee1499894a6dbb03d043f67723fafac66667906e0ed2eca0537c252c797c41c50332bbd174618044fe5ac68b1c",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}