{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x43138747cef7771203cb624d16a36c44d2a6410b9ad33e2c8dd9eac28cf814fa",
    "signature": "0xba2f0abf78e758402779209092c1be99129eaaf1f29371a85a3b55782aa06fcb3eb708d572efbf368c5838c1d8da156d92c218c0f576eedfea3e1041e7bbae141b",
    "signer": "0x7E7b9c4DAC3F284d889a5bc274eA80b8BA5F63ee",
    "userId": "670307808"
  }
}