{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50258",
    "entityType": "User",
    "nonce": "0xc8d8942beb567d62e7c7ce01e5446eaf8973b5c82a2edcd1cae1ca6a91461675",
    "signature": "0x860045c0b4d8b5bed058a9375efef21935d2d84d2a4265b7a1224629c776460a7b3a42e604681566600d119513d3b18a5a77f99cc2cd63933e866939439af57a1c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}