{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "48456",
    "entityType": "User",
    "nonce": "0x5b247302318e5c33849447b2312a3d6cede780c5a8cdb911a7a239afbfa76b65",
    "signature": "0xd5f836fb893937f63f29b27b26b1647565b23d81ad9855cd50d4c78e862d0860464930cb452ee81cbdcdd1f54625d291ac5e7ad40d93f5365bf4a4bee56cfb411c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}