{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "123363360",
    "entityType": "User",
    "nonce": "0x23c416673c245550b5caa85cc87280434c1444f89d8c78c952d4da93f27f74eb",
    "signature": "0xbba3f416279ce1b5360cc0103054adc81febfc425c734ec4b8c73e6d70e795f31a822941e6bba2c2c080c1020cc6561466c87051bcdb00afa0f93f3a646720761c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}