{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1867438",
    "entityType": "User",
    "nonce": "0x12caa9b71cbeb3c8ea9fa5b17c437a6f0785c6a87f734ef51d394bc20743a43d",
    "signature": "0x5ae7d71971ac05dc442f651fbb7225a59e182c54e4a4ab3b2256c43ce923cc500f2aac8b229a3a075a0c5e9a9140802cb4827f92d1c37a3771bce8c2d2a8c1d81c",
    "signer": "0xCA34537176e273Efc43776B70B5c70CdD5baE067",
    "userId": "403911835"
  }
}