{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "270230",
    "entityType": "User",
    "nonce": "0x680704f51235ec02b7d86f75c0ffd65e402fcb13804a191a7a17789e02107d23",
    "signature": "0x5c9e20208c40cf53fa60a6dbce52e2c0ff6d64976a286b37343daca89ce67e44657c52588693521f768699c235c5543188b6da7e657a9df023752e2920147ef11c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}