{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1887966",
    "entityType": "User",
    "nonce": "0x8449019d8fa05c64fb6808cce9fd67d6dcd7976a629362716913b75a30d3caff",
    "signature": "0xcce439e4c8e552fe0f55fe3e005a9567723fc077ee64facdc84d1df6608d56b97f3f6f402eb83607316d827da620a45c45a41bc21b49823e963532651f8ead811c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}