{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "124099",
    "entityType": "User",
    "nonce": "0xcb3de8a82b421b96511a4c2ccf875870e55e55d5784b835723d32b79c354bdf4",
    "signature": "0x0db836a3e94535f4dd92dec59f2af849ee40a0f3b62f007d4247ed09883b38a40708547705f2a74c331946675ed1e0d7096da15b29ccaac78cd5a0576d6b75e41b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}