{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78335",
    "entityType": "User",
    "nonce": "0xff01f3bfa7de97e004569aa8854e62dea6d62a7b3d81242df60e8667e9fcae25",
    "signature": "0xda673bde132b24651ace657cacf17847a5cadc2d1cae2e4dca412b2e6ef5a2b5502c992f93f5b2927ecb5e103a82ee2ee4a6ae17688cc63681dd90c49573af031b",
    "signer": "0x0527E71aBe15614de9A48A8e54D732dBA4C8b009",
    "userId": "754738576"
  }
}