{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56534466",
    "entityType": "User",
    "nonce": "0x63582b03ebdf666486f338af5a71301409ca29dff7f3afb1a5b42ccc5c22ad05",
    "signature": "0xc44e36ddf35f8cb21f9a46b77321947fa60548b3834677128fcb3a18bd4ce4f7150a1d43dd2f576c8b11217691c7bb1c104948b74452b7aeea48043c84b3a3d71c",
    "signer": "0xcdc0734c3fb9B0268b57E3D7c349CDa461D3eE6f",
    "userId": "29056"
  }
}