{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "42278",
    "entityType": "User",
    "nonce": "0xd406b704265e3c95e3fa6ed16e13c8000fd1cda06b0af65c646212f528406f92",
    "signature": "0x5197b9d9b8f7c1fb0c88aba5e6f10622b51c289d9b1b90d1bf3dcb7fb786da11203967bb029126013cd93e15d6c665d795cb0fdaed39f103cd4eb08d250340c81c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}