{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "20",
    "entityType": "User",
    "nonce": "0x53256d529db3b6661f7ee440e7cabdf43612e5d19dd92891155092ff386628d3",
    "signature": "0x484b51fb428563843600b511f0101b624fe993d801f754aa23f8cff120ecf3d9409c2543ad27f48305915f48512b727e974f631add771b3b158527241eb942ba1c",
    "signer": "0x417DF7Ac84876c4Ba8A476333a7F1326eFa03593",
    "userId": "178351686"
  }
}