{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "370220",
    "entityType": "User",
    "nonce": "0x077f8736566bf1af33cfc0a1013ea72637e94c11d689431859faaf1533e169ec",
    "signature": "0x7edb2c0be51321c3d05c86c8a36f340e268657f97dfcc09893c06f8e989b43105524e54e088dc0988cbac07cc8b853993f82e69836819f58ad7bd27f28ea2b321c",
    "signer": "0xdB791822A11f5aDc830669bdADa8121a4558D7A3",
    "userId": "347139808"
  }
}