{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "755263",
    "entityType": "User",
    "nonce": "0x856924ba39ed9ce80dfb348edb826a4d09bd13e70f7d50ab0040d46dc18ff3e7",
    "signature": "0x70f64033289668763a507810111c7a870eb675070489d23505b6897cbd8653a7284c3dccf9d26a97ab3b61ce88f3575485974f1a4dd5dbf6d79450aea76416381c",
    "signer": "0xC3aC46A0552B85088F49e706B6b833B2f253142E",
    "userId": "91674"
  }
}