{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0x4fcf5f9a82fc68c1c8a2a346612d4b4f1a710ff96f45880805f5f86ff78dd59b",
    "signature": "0xcb2be311d72946c2f8a328379f505d7a30667a9d0ba13663c6446f5439ea11034c4118352f155da7796b2c66b334daf25ebe4fc76a4cc97a375928bfe441a5d91b",
    "signer": "0x010c3D5aF33aa5Cbd1589eCf8Ea0F116848D598c",
    "userId": "943632467"
  }
}