{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "238214513",
    "entityType": "User",
    "nonce": "0xb47f9327dc4f46b253165ebd1297345fad6cf5cb2d9d720b9dc9ab34ba43c46e",
    "signature": "0x34c80aede98bb9be62306dcae8d11c5eaec645990eccfb4faf532a24fc933ab238ffcd7804120f93ecded2644d032bd3d7c19b27a02c89d1a184ab2a47bdd1621c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}