{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x37f2c87116ab34ac9ce99270bb89c50f926a31b688ffd61cbe09a43953062fd3",
    "signature": "0xffb0685bff0d23b5e05bd332ef1bd48ca60f95de17ecd66585abca135ad4eb496bc36fcb68d71c9a4cf68bd7577c9133478e024e70ebb33cd78325068bae5f9b1b",
    "signer": "0x6802Fe39C5FA9f99ac1Aa32F164982185A3E70ea",
    "userId": "152482938"
  }
}