{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1036471",
    "entityType": "User",
    "nonce": "0xc00fb44038d8adfa19dbbe6b0ee3be8e35abd410e36549212414d8dd4696342b",
    "signature": "0x235ccb13f91d07c4a2dfeeeecdb0ac5adf05455fd50521d4bf8b439d13ada323571cb14474b0bcf7f1c58581482bff541d4fa563eb8f0d917a1613a95ecdebe21c",
    "signer": "0x1f925fF626328Bd4266D3a6B32aA9bFD7d50435e",
    "userId": "91534297"
  }
}