{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "349784",
    "entityType": "User",
    "nonce": "0xe9235e3b29d626fb93fb6f30733745d16844daee11cf97c2e6193991f342d4ff",
    "signature": "0x86a361ef2e8874595cccf58ed1468f867cbc440a80b311590f05c87b8400961d6e9772e0730662bcc0e01e348b802ea9e8c29b7900ebdee7550427567a85dff91c",
    "signer": "0x8097f7562D3D2F9cbdBA391c45c0D376E438625d",
    "userId": "51978829"
  }
}