{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "827803944",
    "entityType": "User",
    "nonce": "0xe940cdfdfdcc69af50c213403aa8c7e724cd53cce3aa41f3cd35048c8fa38782",
    "signature": "0x3fdadd3884a148d191c8448276457c821058244f99f48e2efaf520873fdb03a7165c66c32299c75e32b1e23ed6002d61f5e74e1c81d643124d196750c6a39ee71b",
    "signer": "0x20690bD900B04126EBFAF3620E46F1645188CD62",
    "userId": "16326"
  }
}