{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0xe22dc0db74732976739ae3594b3e29a27a382edc0383001f5b58870343dd2e45",
    "signature": "0x8cefe9f7177057968f2faf013053d7d4a4d33f1f9f3ed8569d782a2461e579604b150a06f8c370b81a79c135f045c28628c55c059c50f5157b7890c9a831f8f71b",
    "signer": "0x809Db232a6131f46553BA571FB17bFA2cc58aeE9",
    "userId": "351386054"
  }
}