{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27669",
    "entityType": "User",
    "nonce": "0x39cea4149aee0b7fbc517c38cf8278d49ea747fdcc0c0f04f88686f7928f77e2",
    "signature": "0xa5bf7f2ca10ad33ebbc7a017cd111da107e87ab46e81abbfd15c992c5a1a6b43285faaae11619fbee8cff78c9ac5347367f05f70eac8005f4a83356e496e06b11b",
    "signer": "0x48ECe992edB7C739B36f37DDbE8Fe352996B5A56",
    "userId": "183063753"
  }
}