{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "20",
    "entityType": "User",
    "nonce": "0x89bb137d922c55c3a5ed95ef60dcf6bbc66fb1238670cce3eaf56185b05b08f1",
    "signature": "0x5c63be1e071c2399c91055acd97e91989cd049db904733dbe27da3d6a547bf114b03f9d1acb78f1a99eb380b30d8414add48b5d63fac143907d6c49a6e3a6c8b1c",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}