{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "405466",
    "entityType": "User",
    "nonce": "0xa36ff279fdca1fd647deb2496c0289af1d108b0d9c6e8bdebd73b58ffc41f8fc",
    "signature": "0xacce429808847bae3c90e1ccbda69a363dfc6fd03888ab6986f01d6f3528f7023028ceffb38c4b4b5a54da049043210b8ce4af7a276abc28f104ef40e1e170351c",
    "signer": "0x52F331C086a11941E738a6C86d9F127E934dDEB1",
    "userId": "281470566"
  }
}