{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "141471",
    "entityType": "User",
    "nonce": "0x603e04da9c9f25bec9bcaadca57c415dbd5f3e6271f22ed1afc1bc8688868d6f",
    "signature": "0x9b47430569b48e7bc5fab6567b9f87bd20fb769ad73e1a8ce1f65071276590510ac2559e1f7e6cafe8a4c2e64404a7cd72c065f2270d18e8472ee61457c57f161c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}