{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "29243",
    "entityType": "User",
    "nonce": "0xeb1863142c9af7da12e5f41f4dc02c0f04a68d69c5976c1deb5bf6991f49d5b6",
    "signature": "0x989731be7e96b375da7d5cab288e6e9b2e3e9b8fe548b5f4048ca7d0bad5bf9e4c8e7ce9bf4cf5cc700806ce81b6a266040ded2051a867ec0466cc2e6471da9f1c",
    "signer": "0x0157D745aebb0AD9f297C69193065ce6fBB09853",
    "userId": "208486764"
  }
}