{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "68907",
    "entityType": "User",
    "nonce": "0xdc47333329f55f18b08c7f12348c8c31e2048d6f31c4953b1b196d59ab77d10c",
    "signature": "0x78603cabcdb8f00bad665c64365c57ff509adee51e88f87b93c2cdd6cb6527550b058655e8bdb1f13c8923f85dbc5f84bbca6f6b64dbcab5a905ef54764de9551c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}