{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1717913",
    "entityType": "User",
    "nonce": "0xb32fbfa299c41966ee03597ad330e0ad072e82e1c51c933d4d4b557e2cd620bf",
    "signature": "0xe1dfa5cf452e5ceb876dc51254db0103ed7eb22d41886d6f2b8a0dd3384b06c7195aaf608fd832b8d810d2ad18d0975c882dc19bbd1fa620c4e3d997ad609a401b",
    "signer": "0x52F331C086a11941E738a6C86d9F127E934dDEB1",
    "userId": "281470566"
  }
}