{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "662612484",
    "entityType": "User",
    "nonce": "0xf136003e1a4738e07489f7fc0dffe4efe7b9372d0755cf476c7c8f18606e46af",
    "signature": "0x22ca2fe2f4d109a74b171b7c4165412f44ee78861964afa65d868e518932257854ff5500a1080050abb08672e288936d12daedac8945de9ad18c9177bd5198951c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}