{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1155",
    "entityType": "User",
    "nonce": "0xbc31b5688963fea5e0814eec30d146189bba6aab21ff49f96b1fb21803facab0",
    "signature": "0x51377e0c0613ca8b120e93016c156773e352f78d0315cc4e0eefdb5c3804b79a65123452d44efbedc5bf277fab0c703f7a767ed9f24d54711b26894059f334121c",
    "signer": "0xe23f94433EED8958AAF9868141BA976B8fffb969",
    "userId": "307915745"
  }
}