{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50424",
    "entityType": "User",
    "nonce": "0x7290b1be5ff0574fa634b6be0aa58f298da44a43f24d6c18e8e29e8f30650178",
    "signature": "0xda20052f364445ca929786010c6d83246ba81e5601a9483474ea499fc1c3c68a0f449e1b2ed5267cbe8f5682729eda5c37795d7dd48564a0044ba58eb30ae8841c",
    "signer": "0x0dc841034B1bF144980A271B3d3ddcC08bE3e612",
    "userId": "796427482"
  }
}