{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "109348070",
    "entityType": "User",
    "nonce": "0xb5aec8d23088175f6ed9819a72377bcfa1fb6ac7573eb663750322e090d87d07",
    "signature": "0xb033d08a754971dd589a1616cc4495de9a59f7a08fcbd0d6c8f592f964446b98145e4bc624d39dd536e8bd6e863f98d15244b6657118b0567296dd692d65721e1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}