{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17315",
    "entityType": "User",
    "nonce": "0xc0bb9b802cacfdceedd4e4465951230134b8108a33d20973cff4dd9fd03d8002",
    "signature": "0xb23e238b5613cf79b520b1a8ddfc3f9e50484cff3668834e097044e28aea003d3f6352babf322d54f39c40f9ca9d0193ab3254a9454a4714e3f57a108fda61891c",
    "signer": "0xd2034C6636b4261c48403302a162304227a2BBFd",
    "userId": "39985301"
  }
}