{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "314246",
    "entityType": "User",
    "nonce": "0x9bbc3c6618953901f79ce025d4777863bf1e0547b30aa7da071ac2c3e3803f87",
    "signature": "0xe6de69bb36d2460f1f18163b1d642b1bff0e3ae99639ac4a621770321ca264d37789291e7b00e53660356fd264294d8f1d05fc23b5c5718553f32229200fafbc1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}