{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "163601",
    "entityType": "User",
    "nonce": "0xe1ac81935d0096be4561b5f9ee1e9aa07cd32fdfd1e9b783c9f90b8df47d0a9c",
    "signature": "0xfa0a803e110a8c9bea59516f7090ca22223175383d47173503172ab60ed25939313c73d5df513206147b77b8884b135bfdd8143dc024796abca3e682b0576fd51c",
    "signer": "0xdBe895810b3F9F6Dc6073E427C17bF8C3e1DF6A5",
    "userId": "842575483"
  }
}