{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "60644",
    "entityType": "User",
    "nonce": "0x2f38b20103c2571874bc6ce502b4c9a14da16228f3272c09aa80983c0a13ae74",
    "signature": "0xab3f727089348cd490a73c0055f1b9feec9cade879af8027408b3bcdab86dbad15e2fb9ac3629dfc52f240a2d9166565f6dfc2fcc1ed1191113d42dfa72744e41c",
    "signer": "0x849b8180f084363b37768C823c174C9786020A66",
    "userId": "817339612"
  }
}