{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "120328011",
    "entityType": "User",
    "nonce": "0xbf716c83498987a6b0a58c34489bba9eedba5584a1c8530869807e9a40685977",
    "signature": "0x313d5ce53859cde5a6a5821db027a6c5c0f27106611fbd01b2441f833f0290e37b4d3ff4aea594390ac30cf9cb58c4efea82da74c6c8caaf454a59da8b8747401c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}