{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x560f50d5ddda1cc520359985be5bfb46c302db45418fede445337512817f8438",
    "signature": "0x1c2711ceb851fcf62f4349ce42acba87d555ba835e56426b7df228ac5c91b1604d49336907f1b173b478edd7dbe98cd8641cd4d2c3c9f1a7ddc190a3bf357e5e1c",
    "signer": "0x73D3B35abeedE7d54C3e92eb5D91284f8Df01059",
    "userId": "69465435"
  }
}