{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xbd5b2e46dc9a5b3880be9b67d8d8e79529d1d001573cf597b310e2d5cb184826",
    "signature": "0xef81f31c729357c2c1f90a0c3b9b22d8519b6cd81c1be8d89450d3107c724743724d9c0628cd73f944310bfaea03c2733e59b5907da710f1f6f789b49393137d1b",
    "signer": "0xF327C9c72f3402a2779b9A0B50d502599c3B24d0",
    "userId": "805347315"
  }
}