{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "12497",
    "entityType": "User",
    "nonce": "0xa88dbb695dbffc3902fe616e37da3cdd7973ea5701deba9514be9343bb8ec9c4",
    "signature": "0x9acff1c045384d8aadf91f11d92f5e856c28ec9bd2bbe3ed42c049d464862f7f118ff9dc859f24e197baebb6010a754f48c415b2c6251e3c495aa0804c5ca6701b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}