{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "335392",
    "entityType": "User",
    "nonce": "0x0399e2c555b86ecd60a5af5720a97efd6d5e89776c25f8d3fc0c2dc277c283da",
    "signature": "0x611d98a769460e960c98dccab6229b31828b0ec83459cdf5b4d4f68ee358682119568b409d940d2b1c191ee3962e1ab616e117ff50435a4c831cff254848aa971b",
    "signer": "0xd85E4A094e4C057572A9D525C9737051A17ab609",
    "userId": "696716320"
  }
}