{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd761fc92da46b203442da883726438de14547afddb0f53e57c0dd63dfede258b",
    "signature": "0x0006c431544274fbfe8963a47bb779a147179e59a4390a305b84b027a0884ab8035dbb02e0894ddfa4d9118d7c5e5d196a5e8e737e8f2a79de90d7861d371b291b",
    "signer": "0xb95bd5C458B52941AdE3cC4C581ed4E093524Cc0",
    "userId": "402214044"
  }
}