{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "895106128",
    "entityType": "User",
    "nonce": "0x3c3ae783d16658aa6828b553e4401d1dde7bfe7156cc1fba499bba026d966023",
    "signature": "0x1788e9972098e130c3122bc64bb209986f627b98d5683858c66e22d8a53db1ba3dee50f109a48bb0dcdda1b763cca0e958bacab3cac09cb3321da29dcf5cadac1b",
    "signer": "0x833ef27c5e676B068b59D1f7945C3183e1756C2c",
    "userId": "411919841"
  }
}