{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "106074",
    "entityType": "User",
    "nonce": "0x50e5e69b6fd7acffd97ad352ac479303c4ea6941e0f2060df0ad43322863f854",
    "signature": "0x48600a5d0b4814ca8979abdb759634a2b7d2b8d0ef8236a13a6299ca1c5c231e407e4367a8d22dc3039e133765f0efe02675ecced50d897d9697c57f1a1629821c",
    "signer": "0x18356cfD8fCEF0CfA9c1317D9538cf9f94734021",
    "userId": "855397745"
  }
}