{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "832058678",
    "entityType": "User",
    "nonce": "0xa790e94f70437fe1f196150bfda4013b22d80b56e712ea4265921a59178c7ac7",
    "signature": "0x1476ddfa437999042debf8787de1e0694a8f5e334d4e7231e46cf8ebcd102a8f2c1559b5264e19bca9de00ddb44618d1b3dbd059ddc1e81f8b56a79648fc80a21c",
    "signer": "0x1A0e34aBD5374BDd677c5de4D5D9718089cB05Eb",
    "userId": "644286186"
  }
}