{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xe9ff02a86d5a8086e311fa1eab5446917c838452cbd33f389ef6161a90b20083",
    "signature": "0x7442aab6b75aa7e7e0d085d3d2523c5d33e5954bc05e83a4ca6331011eeaef445b18ae38702026f041436af8de3a5bcbb91b53aca575b3309c37c6ca369ab3a01b",
    "signer": "0xDef30Bc85a922d00C0396c9C8b0D233D0654b6f5",
    "userId": "208392258"
  }
}