{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "111768862",
    "entityType": "User",
    "nonce": "0x70544c2c9252738d79a9bcc71612378c5712d5bb74b22bd0ffdb1a0f305c4aa8",
    "signature": "0xb3287c0708c24b5bd511bcfa62e86e7ba632dc88db1f6e0ecbbbcaddbeb9f51673d56c500af7b6566a400f15d436a37311e566e197001ed520325c4a1404ed7a1c",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}