{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x49c7158a8cf94a37060b051456255d32a4f42461aa19aa55ab7e0742bff8dd9d",
    "signature": "0x959b0ceba2b3212943826780d25e5b9fd89bd95fd80698a57a8e03d0ee40dc55732a54c2a669dbe2f2427d48ad07cc60966e08dbca506b515cc73cada51d1a531b",
    "signer": "0x9b682c779356138D1D188CAB373b0F44a2d43d09",
    "userId": "512022848"
  }
}