{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "215945",
    "entityType": "User",
    "nonce": "0xd1f7cf7676aec98d42a90f43fbf14df66a3615d934b317d10c9312b8099cd045",
    "signature": "0xf828482a49d0db55b10ef4f2c426a124ad97c312b7285d0fce3d6a7ab0d20c9e79ca8b57f276f1cc96a89e87d9fa10a04904410326ce757073013ba085be7d071b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}