{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "299369484",
    "entityType": "User",
    "nonce": "0xabc61542db5ec6673be063d04340970f2c2fbba8bdba3615024f5a88bd1fdda2",
    "signature": "0x1d1ac206e8b73b4e6baa9e0fd9d14ddc29c826672715907d2d72774d73892ca5737bed549791bbdca56357c0b3069f42696c6af1fcedbd15672e57d587b4826b1c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}