{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x9efadbec054fdc75c65a5f3a4cc6a25d48c364858cc69f75816298c6ddc720a0",
    "signature": "0xae3ce1654315606279096e0aeacb0c135f966968fa293743aaf3ddbfa52ca93038cbcc3756e44cc4a2a442c73b1168b34068219fb5e7e5f6463fa27e2e6668e01c",
    "signer": "0x05879c5e12AD06542dCf5d3192dDDeaa2faa3754",
    "userId": "445555"
  }
}