{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "739472267",
    "entityType": "User",
    "nonce": "0x9652f59bcc0066b7143ffcd5f2d760baa771156e0254e2f963f3d4eab55258a2",
    "signature": "0x6105366c7ec6c25dc0e207649e4a5849fa9c6a80d16007356e893e335a093ac27ce5d7ff7fe637e7e5be8384dc859f44c1b04687e9abcb317a51ca8e5d8cf4f11b",
    "signer": "0xF40Be525727aa96Cf61609f0A493d9E677f73a33",
    "userId": "159460377"
  }
}