{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50672",
    "entityType": "User",
    "nonce": "0x795d110b4d1b5a39462ce469c796673075c8118bb96609d11e8d321e91999a8e",
    "signature": "0x29ea78749aaf74c73650e6c2567f74144a19054e4316c208e535751e242c09fe111864fa14dad9570a2746ec98061fc005cb793c7c72f25ccb5e9bd9f884ce621b",
    "signer": "0x9f5896C078219d89B9A5D8B9C381b7be8BEf4CFA",
    "userId": "56704236"
  }
}