{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x48120adff69a2e6c994bdf4f17416763db9601a8c6d7f46967227c07addcda66",
    "signature": "0xbf9e6046562f1cd65afe3b18e9a76aa90e930779c90d9a6ab361bd7180bc16f56c0d8cac930df7c3ca380882ce6fd7886fc7214616c3648c43efdb221a49b6c61c",
    "signer": "0x400C9A366Eff098F2ddA26E9da912FC9E092284b",
    "userId": "151067581"
  }
}