{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "816709547",
    "entityType": "User",
    "nonce": "0x4840f0a29e190571e6339cc8641f187253fd0a2703c925752ac55b1563c2fe0f",
    "signature": "0xd0f010e3a82241978384f14e6632f37634e6cf7636944154bc85d7f0558f3f601c3ed2c11123c1c0c32fd945304212212b58f0828fb6eda3fd05d156f778bbd51b",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}