{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "16782",
    "entityType": "User",
    "nonce": "0x017a8f862acbe69b610378b85c4902b2595f0e077f556bbd400171967df4807e",
    "signature": "0xe83733dfb7ad2e017343dc03360f3f34971c3c6da0de53855d22a452224d91c134102c42b5634b27c3a6819c1029358431968a02779613690e6603aa4e7896d11c",
    "signer": "0x11cd379D12F9a2c7BAaE2f74F1914A8c50faF2c3",
    "userId": "387949683"
  }
}