{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "329674",
    "entityType": "User",
    "nonce": "0x98b03baa168e2811587424da9fa20d7812acd91e2f5f16c6da9ee2a2a5a4e879",
    "signature": "0xd831520f61d8a9f12876e5918cfc3e8eec08d4f87f73d0d14bd918290d11e82e5e6847f9c4a25519c0ce908ac40aef2642d65577e82f4436ce02f96030e193fc1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}