{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "995293503",
    "entityType": "User",
    "nonce": "0x78bfac8f3475d9df469265efb5419ee47024484d1a5bf6c3310a67ed68e60218",
    "signature": "0x42a1f5f1fe4e6f8c41de91dc362c9b7da3137c1a4bc04106ecb5e212b40301e45a6b5244763c16746f13ac03b7d802a52a4fb2be36023b5c48f88454f73527051b",
    "signer": "0xd85E4A094e4C057572A9D525C9737051A17ab609",
    "userId": "696716320"
  }
}