{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "111467392",
    "entityType": "User",
    "nonce": "0x19273791a12b133943725970e68afaf6bbcff17b7f4ba07aff4a565d24721651",
    "signature": "0xf6e7a9592c21001db16636f7de2d408a2ef24f1e7fd13ceee9a65377582509c276a9705856613fd414241422483b21bb240e9ef8f76fb2b4dc3d878f026c74a01b",
    "signer": "0x27eB4b469aE053b72c26B3e9c68a655390Fe24fB",
    "userId": "42216"
  }
}