{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "855755014",
    "entityType": "User",
    "nonce": "0x58c83b74af37b6100f4d549b2792041f9f2686a9e185f41c84a1a53a6b0ca9ed",
    "signature": "0xd0fefa158bf82aaedc85d48547c35da2d450fbeb260c4009cb03776bb11b0137701cfd1676ef52cf43f3143d84af9ad617ae005429e4ca5a97e428f7d7d615fe1b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}