{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "350320",
    "entityType": "User",
    "nonce": "0xba8829024a5c7e9febad5b2be2e9942fee4462f5cf1fdc2befef314da34389d0",
    "signature": "0xee3e080f985318bbf6ee27c29b344a0a4f72ef923a8c23c2d31407e081e6529932900e51a170232f48e1dbafabdccf850f0471a6fd2d9b5dc352e2b94c7dccb51c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}