{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "636236864",
    "entityType": "User",
    "nonce": "0x04b0ab0131b250e762d6a2a8e15d4f8d69d43c7012f0a8e76f8b8340adce5435",
    "signature": "0x1caf52a0d51a14413756249c6f8ff936ea0e2fd0a46486ba8de072f346ea37867560abcb056c5bb0696a9688bd7f489076c300ae236d9f84fd2132b546627df11b",
    "signer": "0xbA83b3D0645C0C99c76cB296B0BA81bD641DB81c",
    "userId": "951995708"
  }
}