{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "42617",
    "entityType": "User",
    "nonce": "0xa23c0a3047b83c87cd38ec070a226620e48cdb17351a68baec2c2d096337065d",
    "signature": "0xbeb6de81ddd5dbb4586cc062ca58145e491089d96d11a99d534af8a1f44055fe593345a15f1f80c34384fbffa570fd8311e3fbd9b1442e38d802d8d690242cfb1b",
    "signer": "0x4230116F60d3989D218B84425D3D1Dd6C85e1393",
    "userId": "86128800"
  }
}