{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "806873848",
    "entityType": "User",
    "nonce": "0x95d8985853803e1de13eefc49b595e7b74a68841ea1c00debd896a3a4eab0fab",
    "signature": "0x3884080d1c7781740692b465432647618f9ceb38f4c2173caa71c08e518c42d758fb2a2b1b72cdd1d1f818651cfbec136720d0c417f89597300b74446236eca21c",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}