{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "113567",
    "entityType": "User",
    "nonce": "0x576c3fe887712362ec96c90adaa45c379ff438d5451d12dda56e6cb2239045ba",
    "signature": "0x7515f28f2e8d5a4e1c8715b5d3b411047d1182f2cfcdd3f793b7d07c54ac5ce63b0bf1bd154012943ec64c24e96b924af215785ee2999d1a49b5f5bc3edb4c791b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}