{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "381290",
    "entityType": "User",
    "nonce": "0xa3f5f4caddf75af8cfd58ba92cb7cdd276a194e14114d487b2c19a8c9215336c",
    "signature": "0x94d1be19a33e2c1636bed6f9161fd3d99b2aaf4245bb0deb28ab560a2b59ca1239d58a114324e87a256e18be87ee67e94938ba45e36dd31baafd066f165609321c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}