{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "765901034",
    "entityType": "User",
    "nonce": "0xf1164c5632250a9c1bfa9cf381610675620f3a4e6c7751f3e2db9a04c1cfb264",
    "signature": "0x845c890475121e88bf7b371e3c63e67be452dde1ded3fa9078709cfb42fa2df836ca72f652c6af902afac26d7d7a994776d018fbe6b59c0a4ad2774d9b9cf0b91b",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}