{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "119849",
    "entityType": "User",
    "nonce": "0x187bef18c816136af36f76a9feda1302303a6a6fc68dae952b2cc0aa80151aa1",
    "signature": "0xaf1b51a3580d7e52a49eb2491f6e77bc9af02a2482748d8855871db058e0625d4fa53a5a417c9e9f254ae0fcc0598977bf55b246c418e22ef96b03247d277d881b",
    "signer": "0x2D566E1DaC6fc148a694abe846B32e39B6584aa5",
    "userId": "890889753"
  }
}