{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xd55dbfe767219ba7f00b2b23935d2fdf344e1d6a7135740483ab6eaf5dd988b7",
    "signature": "0x62b0d2e365096a84a520b0aac40e0153b36c55335df8dc0435c2bc6cdbcea7cd4757dcd3c524583e7dc7d7be31b6be1edf6f4dd1e489ec7ad00feb96c86b669e1b",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}