{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x98237c40894ae792a0e0cae0f895e0cf1ee6a24d9011411c3ff01899e3abbc24",
    "signature": "0xe425af8ce3fb31d0fb5566ed7c6043a04119654b206574db726aa2aa11a101ee7cbdaa49417a8fff2da7b17d5d8c082aa5b6e96edbb1c30d3a3eb7d5d87c6c021c",
    "signer": "0x4B140b61EB41438Cda0Dd10473ad1334309C1b97",
    "userId": "45511108"
  }
}