{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1026",
    "entityType": "User",
    "nonce": "0xe5c65140f3a320dde40cb0f78e87ccb4f6646cc43fc9d3f6f9426c521e9f1b49",
    "signature": "0xc17d9d3f6290714b8a3c2914e9692e86000a20a6edd4159ac69fa133a755c03a60a1a1f03e57f5107194afa11291814a7a9ef9f17fde02c91e247f470ead29591c",
    "signer": "0x40E8E224E8F8a9f835e4dc8851Da72DCEd75986F",
    "userId": "504092010"
  }
}