{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xd52473f7c08d693b8804ef0feaa2288c62472735b8dbbf48691488ebaa6952b2",
    "signature": "0x3603a5687628bb74969b4951322cfe78be9f4c3198e794ff9ded73999039a28b5bbfef65432f0e299ad8e35b4474db932748530406604f4e20e41d05869b87471b",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}