{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10413",
    "entityType": "User",
    "nonce": "0xcd18bf6f714df856097348366c6e7f0ea37f722212e55bc7e0f4d1c7c3c60a3f",
    "signature": "0xab26991a11dad19d4c3b979c302936b98b8a108eb8b25dc16c7a0aa17d4658616b6bcf32bf527acf2f63fa0d0e98aec5b5c75029051ec3f2fe0d6501323c83961b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}