{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "713649918",
    "entityType": "User",
    "nonce": "0x7deb71d3ddbb9024eede678609230769f8eb07d567efae13fdd2a81a3c95e602",
    "signature": "0xdd69caf070dd73bcc5c9ae1d1a0a3b8992d2ffbb3b017fea4c39b274298d5de7741d650e89582c50907072180aa72be92da008400e2a5896acdf89e3a37ca93d1b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}