{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "831117417",
    "entityType": "User",
    "nonce": "0xc987e5e3de4ad7bfc480150d4ab7b8bc032534204108ff59b0927f09b2b89f07",
    "signature": "0x54861659dc0df216835abedf8fa921ee891c2d17dfe17dd37a7ae593e98cf5cd102190e0be982855a51cbe2f08d6fc5eeab828db981d16e856e549b37f8ec7eb1c",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}