{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb2f916ac7c49621955680f7837d77fadbd3c239d3ff86ddb885c13d3d3d5dc45",
    "signature": "0x7b49d0c6951559cc1a7b49ed93f1d59491d1b9a573d9b1cecfe3b7470b7c10c87ed68cef3d5f4fc3f249792d8ac2ca6bb8747d8a13787baff2cf4c4ef02e4bbf1b",
    "signer": "0x04655Cc6cB74e91329e8A92d8306E3d5147DD054",
    "userId": "785545566"
  }
}