{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x88eec40c0274e3b33d4280b41fd4ca91ad2488d6eed056b0f92cbfd084dfdc78",
    "signature": "0xf6d571b77fed7036de58661dbf34d9ba9f1ba2376f0e97b16abaf1262da47bf67c72bd7d6ec1f7d48d516e48540f40b3100ecf609325656feff0a83ac4a3f60a1b",
    "signer": "0xad12A53B30a86D04715B5663c5832Df6E2Cb9710",
    "userId": "980941"
  }
}