{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "94219",
    "entityType": "User",
    "nonce": "0x7e7999b5c6b5d71562a34aa0d7f1f1dfbee478a6f366378588441c2711e2b14e",
    "signature": "0xc8e8dac36e2cfd01ca3f2473d124a71603cb5cd27560e848fee417ac1374b60c35cf73cba39c99cc4298b1d6248e8f33cc970497599a6f629062d140461cb96c1b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}