{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "329545",
    "entityType": "User",
    "nonce": "0x5a7a8c398fa7bdd08409666edc7359c5eca609d0dfb7b9bf939d3a622befa517",
    "signature": "0x34dd3a65a1a97ae0a5ca000e09777fe0b341694462f96d626b305753ea591d042fabeb03fb7c87551f4b8fb4a6c19165a262a143a949aa4820e1806aa00e70781c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}