{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "39692",
    "entityType": "User",
    "nonce": "0x18c43a6413e52c3054789b0991fbba493b188d049b00cf6df0bf82ffeb13e362",
    "signature": "0x1d2fcb0076701e29c2232a1b27ae63359b5702669a36f91b675bdd203482d7de4a63d5491a84eeccb0d4ce1ce1547e290c70d6afe4b473a0f4adb9117e1b8b3f1c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}