{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "407339",
    "entityType": "User",
    "nonce": "0x0820e11b4d818473d3592cbf932015793589bc274cac5f229e949ee64edbfc52",
    "signature": "0x3a4c9c154072f2e4df7076ae57f456f5a47fc150dfd0238a5da3a24a562fb2ac71a15b50afafa012088f52ce6e701b300aafa41eb188ccadf8840731cd9ae19e1b",
    "signer": "0xdEa655B0BEDD55605f1a7F99e27f7c00610c0B32",
    "userId": "594690301"
  }
}