{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38225",
    "entityType": "User",
    "nonce": "0x36a2a7c761c632945ddc0257f8007039e224766e428654c934b18ec178dccf9d",
    "signature": "0xcf732b172d637c54a782c44339417f06ab24111c8b30bcc1baa510ce8d9d7569637541f91690448ba663bd19ae5d8326e8b82656b594fd45dd5fb754e37c56221b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}