{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "363614",
    "entityType": "User",
    "nonce": "0x4e23382573a6c33618ff6640a0769b60649582a98a235262ae14f6b845d7dd79",
    "signature": "0x4744002b2ec418e88b5c8734a2af9412f3a48de4226f6889172fa7a20dcc801f52941253bd633650650688f211f1c56776acda924115c5a28228fe06ae7c8a3c1c",
    "signer": "0x1d868e2cc29848871636BdCF83a08A975835b6DD",
    "userId": "120328011"
  }
}