{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "395602",
    "entityType": "User",
    "nonce": "0xab56a5e3b2a91087ef043cdc4a03232673aa4760ab6ff8597e2e9d6392e95593",
    "signature": "0x990ff2dffca89e6d7f8cca8603306f9453bab1a4e430116b689509c1ed857391467b7b1f90177aa7198d6a540a9f3dbf4f9a961cc1cf99996986feef9c7b82051c",
    "signer": "0x0a5148A3f132E6696c1Cd3FDA8465fC5fF17d3D2",
    "userId": "803288761"
  }
}