{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0xc215e2ba3e56e1ac566b048f4510d97b617b1be8292294c88385ceaa754667b8",
    "signature": "0x8f74038468432f091389381e4dc2f2452089e137214afd48cd6ad4e4022f3b343d7cff1d44d7c077d212a46bacc1b274402b2da290a4d97420a7e6aecbe4fdbd1b",
    "signer": "0x985F07e3EBDF52799E0035a70c8EC7C9232aE290",
    "userId": "545436003"
  }
}