{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "14776",
    "entityType": "User",
    "nonce": "0xb7e65c1fcd099d8c1c7c826c0a0f2835580c276b3e8fb4b2f82d5fde2a4c10be",
    "signature": "0x6212c568b3bf993175765ff64e77cd0ac15363fd2f54b833a3536d0ed82213817f2767af45aafb4d51c8b2b224901fd33267fc4c302c3bde6bbd42d89fbdb89e1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}