{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "329099",
    "entityType": "User",
    "nonce": "0xf27311969fb43d011a93820f273388356c61fc665c1f24184347a5f180a3573a",
    "signature": "0x166c4f92c2fed1b602e1e0d2ba375fd1c9a5b46f5dd59e68afdaec8aa0c3b2ce2918accfa15271ede159a734a2228ec50d18be17895c4d787ac867a102372cf51b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}